ANSWER
Observation or biopsy

OTHER OPTIONS
● Surgical excision with wide margins – wide excision is for malignancies.
● Topical corticosteroids – for inflammatory lesions.

SYNOPSIS
● Flat brown lesion on lower lip is typically an oral melanotic macule.
● Benign in nature.
● Oral melanotic macule requires observation or biopsy to confirm diagnosis.
● Biopsy indicated if changing.

REFERENCE
Oral and Maxillofacial Pathology – Neville 5th Edition

ANSWER
From angle of the mandible

OTHER OPTIONS
● Not applicable

SYNOPSIS
● For a submandibular gland abscess, an external incision is typically made for dependent drainage.
● The incision is made through the skin and subcutaneous tissue, often in a skin crease below the inferior border of the mandible (angle of the mandible) to avoid injuring the marginal mandibular branch of the facial nerve.
● The rubber drain (e.g., Penrose drain) is inserted into the abscess cavity through this incision and then secured to the skin edge using sutures.

REFERENCE
Peterson’s Principles of Oral and Maxillofacial Surgery – 7th Edition

ANSWER
Oral Lichen Planus

OTHER OPTIONS
● Leukoplakia – Usually presents as a well-demarcated white plaque that cannot be rubbed off and is not characteristically lace-like or bilaterally symmetrical.
● Candidiasis – Typically produces white plaques that can often be wiped away, leaving an erythematous or bleeding surface.
● White Sponge Nevus – A hereditary condition producing diffuse, thickened, folded or corrugated white lesions, commonly affecting the bilateral buccal mucosa, but it does not characteristically show Wickham striae.

SYNOPSIS
● Oral lichen planus is a chronic inflammatory mucocutaneous disorder that commonly affects the bilateral buccal mucosa.
● The classic reticular form presents as fine, white, lace-like lines known as Wickham striae.
● The bilateral, symmetrical reticular pattern with Wickham striae is highly characteristic of oral lichen planus.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th ed

ANSWER
Recurrent Aphthous Stomatitis

OTHER OPTIONS
● Herpes Simplex – Usually begins as vesicles that rupture to form ulcers and commonly affects keratinized mucosa in recurrent intraoral herpes.
● Squamous Cell Carcinoma – Typically presents as a persistent, indurated, non-healing ulcer or mass rather than recurrent ulcers that heal spontaneously.
● Syphilis – Oral manifestations may include a solitary, usually painless chancre during primary syphilis rather than recurrent painful aphthous-like ulcers.

SYNOPSIS
● Recurrent aphthous stomatitis (RAS) is characterized by recurrent, painful, well-circumscribed ulcers primarily involving non-keratinized oral mucosa.
● Common precipitating factors include stress, local trauma, nutritional deficiencies, and hormonal changes.
● Minor aphthae are usually small, painful ulcers with an erythematous halo that heal spontaneously without scarring.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th ed.

ANSWER
Nabers Probe

OTHER OPTIONS
● Williams Probe – Used to measure periodontal pocket depth and clinical attachment levels but is not specifically designed for assessing furcation involvement.
● Marquis Color-Coded Probe – Used primarily for measuring periodontal pocket depth and attachment levels; it is not specifically designed for furcation assessment.
● UNC-15 Probe – Used for accurate measurement of periodontal pocket depth and clinical attachment levels, but its straight design makes it less suitable for furcation examination.

SYNOPSIS
● The Nabers probe is specifically designed to detect and assess furcation involvement in multirooted teeth.
● It has a curved, blunt, calibrated tip that facilitates entry into the furcation area.
● Furcation involvement is commonly classified using Hamp’s classification based on the horizontal extent of periodontal tissue destruction.

REFERENCE
Carranza FA, Newman MG, Takei HH, Klokkevold PR. Carranza’s Clinical Periodontology. 14th ed.

ANSWER
Medial pterygoid

OTHER OPTIONS
● Lateral pterygoid – mainly involved in protrusion and opening, not commonly affected in pharyngeal space infection
● Masseter – involved in mastication; affected more in buccal/masseteric space infections
● Posterior pharyngeal – not a muscle of mastication and does not cause trismus

SYNOPSIS
● Medial pterygoid lies adjacent to parapharyngeal space
● Infection spreads easily causing spasm leading to trismus
● Common in deep neck space infections

REFERENCE
Peterson’s Principles of Oral and Maxillofacial Surgery – 7th Edition

ANSWER
Radicular Cyst

OTHER OPTIONS
● Dentigerous Cyst – Usually surrounds the crown of an unerupted or impacted tooth and is attached at the cemento-enamel junction.
● Odontogenic Keratocyst – May occur in the jaws as a well-defined radiolucency, but it is not characteristically associated with a non-vital tooth.
● Ameloblastoma – Typically presents as a multilocular or unilocular radiolucency, often in the posterior mandible, and is not specifically associated with a non-vital tooth.

SYNOPSIS
● A radicular cyst is an inflammatory odontogenic cyst that develops at the apex of a non-vital tooth due to pulpal necrosis and chronic apical inflammation.
● Radiographically, it typically appears as a well-defined, round or ovoid unilocular periapical radiolucency, often surrounded by a corticated border.
● It is the most common inflammatory odontogenic cyst and is usually associated with a tooth affected by caries or previous trauma.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th ed

ANSWER
Miller Class II

OTHER OPTIONS
● Miller Class I – Marginal tissue recession does not extend to the mucogingival junction, with no interdental bone or soft-tissue loss.
● Miller Class III – Marginal tissue recession extends to or beyond the mucogingival junction with interdental bone or soft-tissue loss, or tooth malposition.
● Miller Class IV – Marginal tissue recession extends to or beyond the mucogingival junction with severe interdental bone or soft-tissue loss.

SYNOPSIS
● Miller Class II recession extends to or beyond the mucogingival junction (MGJ) with no loss of interdental bone or soft tissue.
● The interdental tissues remain intact, making complete root coverage potentially achievable.
● Miller classification is based primarily on the extent of recession relative to the MGJ and the condition of the interdental tissues.

REFERENCE
Carranza FA, Newman MG, Takei HH, Klokkevold PR. Carranza’s Clinical Periodontology. 14th ed

ANSWER
Compound Odontoma

OTHER OPTIONS
● Complex Odontoma – Appears as an irregular, disorganized radiopaque mass of dental tissues rather than multiple recognizable tooth-like structures.
● Ameloblastic Fibro-Odontoma – Usually presents as a well-defined radiolucent lesion containing varying amounts of radiopaque material and is commonly associated with an unerupted tooth.
● Calcifying Epithelial Odontogenic Tumor – Typically appears as a unilocular or multilocular radiolucency containing scattered radiopaque calcifications rather than multiple miniature teeth.

SYNOPSIS
● Compound odontoma is a hamartomatous odontogenic lesion composed of multiple small, recognizable tooth-like structures (denticles).
● It commonly occurs in the anterior maxilla and may cause delayed or failed eruption of a permanent tooth.
● Radiographically, it appears as multiple radiopaque denticles surrounded by a narrow radiolucent halo representing the connective tissue capsule.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th ed.

ANSWER
Class II subdivision left

OTHER OPTIONS
● Class II Division 1 – Characterized by Class II molar relationship with proclined maxillary incisors and increased overjet; it does not describe a unilateral molar relationship.
● Class II Division 2 – Characterized by Class II molar relationship with retroclined maxillary central incisors, often with deep overbite.
● Class II subdivision right – Applies when the right side has a Class II molar relationship and the left side has a Class I relationship.

SYNOPSIS
● Angle’s Class II subdivision is diagnosed when a patient has a Class I molar relationship on one side and a Class II molar relationship on the opposite side.
● The subdivision is named according to the side showing the Class II molar relationship.
● Here, the right side is Class I and the left side is Class II, so the diagnosis is Class II subdivision left.

REFERENCE
Proffit WR, Fields HW, Larson B, Sarver DM. Contemporary Orthodontics. 7th ed

ANSWER
Amoxicillin 2 g orally 30–60 minutes prior

OTHER OPTIONS
● Clindamycin 600 mg orally 30–60 minutes prior – No longer recommended by the AHA as an alternative for infective endocarditis prophylaxis because of the risk of severe adverse reactions, including C. difficile infection.
● Amoxicillin 1 g orally 30–60 minutes prior – The standard adult prophylactic dose is 2 g, not 1 g.
● Azithromycin 500 mg orally 30–60 minutes prior – Azithromycin 500 mg can be used as an alternative in patients who are allergic to penicillin/ampicillin, but it is not the first-line regimen.

SYNOPSIS
● For adults at high risk of infective endocarditis who meet criteria for antibiotic prophylaxis before indicated dental procedures, the standard regimen is amoxicillin 2 g orally as a single dose 30–60 minutes before the procedure.
● Antibiotic prophylaxis is recommended only for specific high-risk cardiac conditions and certain dental procedures involving manipulation of gingival tissue, the periapical region, or perforation of oral mucosa.

REFERENCE
Wilson W, et al. Prevention of Viridans Group Streptococcal Infective Endocarditis. Circulation. 2021;143:e963-e978.

ANSWER
Irreversible Pulpitis

OTHER OPTIONS
● Refer Synopsis

SYNOPSIS
● A lingering pain response to a thermal stimulus, especially when the pain persists after removal of the stimulus, is characteristic of symptomatic irreversible pulpitis.
● In reversible pulpitis, the pain is typically brief and non-lingering, resolving quickly after removal of the stimulus.
● Pulpal necrosis generally produces no response to thermal testing.
● A normal pulp responds to cold with a short, mild sensation that disappears immediately after removal of the stimulus.

REFERENCE

Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th ed.

ANSWER
Leukoplakia

OTHER OPTIONS
● Pseudomembranous candidiasis – Typically presents as a white, curd-like plaque that can be scraped off, leaving an erythematous or bleeding surface underneath.
● Materia alba – A soft, loosely adherent accumulation of microorganisms, food debris, and epithelial cells that can be easily removed from the tooth or oral mucosa.
● Chemical burn – May produce a white, sloughing or necrotic mucosal surface, usually associated with a history of exposure to a chemical irritant.

SYNOPSIS
● Leukoplakia is a predominantly white oral mucosal lesion that cannot be scraped off and cannot be clinically or histopathologically characterized as another specific disorder.
● It commonly occurs on sites such as the buccal mucosa, gingiva, and lateral/ventral tongue.
● Persistent leukoplakia requires evaluation because it is considered a potentially malignant oral disorder.
● Exam pearl – Persistent, non-scrapable white lesion → Leukoplakia.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Proceed with extraction using local hemostatic measures

OTHER OPTIONS
● Discontinue warfarin 3 days prior – Routine discontinuation of warfarin is generally unnecessary and may increase the risk of thromboembolic complications.
● Refer to hospital setting – An INR of 3.0 is generally within the range in which routine dental extractions can be performed with appropriate local hemostatic measures.
● Switch to heparin – Bridging with heparin is not routinely required for a simple dental extraction and should not be done without appropriate medical indication.

SYNOPSIS
● For most patients taking warfarin, anticoagulation is not routinely stopped for simple dental extraction when the INR is within an acceptable therapeutic range.
● An INR of 3.0 is generally acceptable for dental extraction, provided careful local hemostatic measures are used.
● Local measures include firm gauze pressure, suturing when indicated, and local hemostatic agents such as oxidized cellulose or gelatin sponge.
● Exam tip – Warfarin + INR ≤3–3.5 – usually continue warfarin and use local hemostasis.

REFERENCE
Nematullah A, et al. Dental surgery for patients on anticoagulant therapy with warfarin: a systematic review and meta-analysis. Journal of the Canadian Dental Association. 2009;75(1):41.

ANSWER
Primary Herpetic Gingivostomatitis

OTHER OPTIONS
● Herpangina – Usually causes small vesicles and ulcers on the soft palate, tonsillar pillars, and posterior oropharynx; generalized gingivitis is not a typical feature.
● Hand, Foot, and Mouth Disease – Characteristically causes oral vesicles/ulcers accompanied by lesions on the hands and feet, often with a perioral rash.
● Recurrent Aphthous Stomatitis – Produces recurrent ulcers, usually without vesicles, systemic fever, or generalized acute gingivitis.

SYNOPSIS
● Primary herpetic gingivostomatitis is commonly caused by herpes simplex virus type 1 (HSV-1) and frequently affects young children.
● It presents with fever, painful vesicles and ulcers involving both keratinized and non-keratinized oral mucosa, and generalized painful gingivitis.
● The combination of young child + fever + diffuse oral vesicles/ulcers and gingivitis is highly characteristic.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Reversible Pulpitis

OTHER OPTIONS
● Irreversible Pulpitis – Usually presents with spontaneous, severe, or lingering thermal pain and indicates that the pulp is unlikely to recover without endodontic treatment.
● Pulpal Necrosis – Indicates loss of pulp vitality; the tooth generally does not respond to thermal or electric pulp testing.
● Apical Periodontitis – Involves inflammation of the apical periodontal tissues and commonly presents with tenderness to percussion or biting.

SYNOPSIS
● A vital tooth with a small mechanical pulp exposure and no signs of irreversible pulpal inflammation may still have a reversibly inflamed pulp.
● The absence of spontaneous or lingering pain and the presence of controlled pulpal bleeding support a vital, potentially recoverable pulp.
● Depending on the clinical circumstances, vital pulp therapy such as direct pulp capping may be considered.

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th edition

ANSWER
Acute Apical Periodontitis

OTHER OPTIONS
● Chronic Apical Periodontitis – Usually has few or no symptoms and is often associated with a well-defined periapical radiolucency.
● Acute Apical Abscess – Typically presents with rapid onset of severe pain, swelling, pus formation, and marked tenderness to percussion; systemic signs may also occur.
● Reversible Pulpitis – Produces a brief, non-lingering response to thermal stimuli and does not typically cause marked tenderness to percussion.

SYNOPSIS
● Acute apical periodontitis is characterized by inflammation of the periodontal ligament at the root apex and typically produces pain on biting and marked tenderness to percussion (TOP +).
● The tooth may feel extruded or elevated because of inflammation in the periodontal ligament.
● Severe tenderness to percussion without the characteristic swelling and pus formation of an abscess favors acute apical periodontitis.

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th Edition

ANSWER
Cvek Pulpotomy

OTHER OPTIONS
● Pulpectomy – Involves complete removal of the pulp and is generally unnecessary when a recently traumatized permanent tooth has a small exposure and a healthy vital pulp.
● Extraction – Not indicated when the tooth is restorable, vital, and has no associated root fracture or severe periodontal injury.
● Indirect Pulp Capping – Used when the pulp is not exposed and a layer of affected dentin is intentionally left over the pulp; it is not appropriate for an actual pulp exposure

SYNOPSIS
● In a young permanent tooth with a recent traumatic pulp exposure, maintaining pulp vitality is important for continued root development and dentinal wall formation.
● Cvek partial pulpotomy is commonly indicated for traumatic pulp exposures in immature permanent teeth and involves removal of a small amount of inflamed coronal pulp followed by placement of a suitable pulp-capping material.
● For a very small, clean exposure with a healthy pulp, direct pulp capping may also be considered depending on the clinical circumstances.

REFERENCE
Andreasen JO, Andreasen FM, Andersson L. Textbook and Color Atlas of Traumatic Injuries to the Teeth. 5th Edition

ANSWER
5% Sodium Fluoride (NaF) varnish

OTHER OPTIONS
● 1.23% APF gel in trays – Tray application requires adequate cooperation and control to minimize swallowing or ingestion, making it less suitable for patients with limited cooperation.
● 0.05% NaF daily mouthrinse – Requires the patient to reliably rinse and expectorate, which may be difficult for a patient with impaired cooperation or swallowing control.
● Acidulated phosphate fluoride foam – Although effective as a topical fluoride, foam applied in trays also requires sufficient patient cooperation and control.

SYNOPSIS
● 5% sodium fluoride (NaF) varnish is preferred for patients with special needs or limited cooperation because it is quick and easy to apply, requires minimal cooperation, and uses a small amount of fluoride.
● Fluoride varnish also reduces the risk of ingestion compared with tray-applied gels or foams.
● Exam tip – Special-needs patient with poor cooperation → 5% NaF varnish.

REFERENCE
American Dental Association. Fluoride Topical Guidelines. American Dental Association.

ANSWER
Class I lever

OTHER OPTIONS
● Class II lever – The resistance lies between the fulcrum and the effort. This is not the lever arrangement classically described for a distal-extension RPD with a mesial rest.
● Class III lever – The effort lies between the fulcrum and the resistance; this does not describe the distal-extension RPD arrangement.
● Class IV lever – There is no Class IV lever in the conventional three-class lever system used in RPD biomechanics.

SYNOPSIS
● In a distal-extension RPD with a mesial rest on the terminal abutment, the denture base tends to move toward the tissue under occlusal loading and the prosthesis rotates around the fulcrum line through the rests.
● The fulcrum lies between the applied force and the resistance, producing a Class I lever relationship.
● This lever relationship is important in understanding the rotational movement and biomechanical behavior of Kennedy Class I and Class II distal-extension RPDs.
● Exam tip – Distal-extension RPD + mesial rest – Class I lever.

REFERENCE
Carr AB, Brown DT. McCracken’s Removable Partial Prosthodontics. 14th Edition

ANSWER
Apexification

OTHER OPTIONS
● Standard RCT – Conventional root canal treatment is challenging in an immature tooth with an open apex because there is no natural apical constriction to provide an effective stop for obturation.
● Apexogenesis – A vital pulp therapy procedure intended to preserve pulp vitality and allow continued physiological root development; it is not indicated when the pulp is non-vital.
● Extraction – Generally avoided when the immature permanent tooth is restorable and can be treated successfully with regenerative or endodontic procedures.

SYNOPSIS
● Apexification is a procedure used in a non-vital immature permanent tooth with an open apex to create an apical barrier that facilitates root canal obturation.
● Historically, calcium hydroxide was used for apexification; MTA and other bioceramic materials are commonly used to create an artificial apical barrier.
● Apexogenesis – vital pulp + immature tooth, whereas apexification – non-vital pulp + immature tooth + open apex.

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th Edition

ANSWER
10% Neutral Buffered Formalin

OTHER OPTIONS
● Normal saline – May maintain tissue moisture temporarily but does not adequately fix the specimen and is therefore not the standard medium for routine histopathological biopsy specimens.
● Distilled water – Causes cellular changes and does not preserve tissue architecture appropriately for histopathological examination.
● 70% Alcohol – Can act as a fixative but is not the routine standard for preserving oral biopsy specimens for histopathology.

SYNOPSIS
● 10% neutral buffered formalin (NBF) is the standard fixative used for routine biopsy specimens submitted for histopathological examination.
● It preserves cellular morphology and tissue architecture by preventing autolysis and decomposition.
● The recommended volume of fixative is generally about 10 times the volume of the tissue specimen to ensure adequate fixation.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Local hemostatic agent

OTHER OPTIONS
● Buccal advancement flap – Generally indicated for larger oroantral communications or defects that are unlikely to close spontaneously; it is not routinely required for a small 2 mm communication.
● Palatal pedicle flap – A useful surgical option for larger or persistent oroantral defects, but unnecessary for a small communication that can heal spontaneously.
● Referral to ENT – Not routinely required for a small, uncomplicated communication without evidence of sinus involvement or infection.

SYNOPSIS
● Small oroantral communications, generally less than 2–3 mm, may close spontaneously if the sinus is healthy and the blood clot is maintained.
● Management includes preserving the socket blood clot, achieving good hemostasis, and providing sinus precautions such as avoiding nose blowing and sneezing with the mouth closed.
● Larger communications or persistent defects may require surgical closure, such as a buccal advancement flap.
● Exam tip – Small OAC (<2–3 mm) + healthy sinus → allow spontaneous healing with clot stabilization/local hemostatic measures.

REFERENCE
Hupp JR, Ellis E, Tucker MR. Contemporary Oral and Maxillofacial Surgery. 7th edition

ANSWER
1.5 to 2.0 mm

OTHER OPTIONS
● Not applicable

SYNOPSIS
● For a porcelain veneer with incisal overlap, approximately 1.5–2.0 mm of incisal reduction provides adequate space for ceramic material and esthetics.
● Facial reduction is usually more conservative and varies according to the cervical, middle, and incisal thirds and the ceramic system used.

REFERENCE
Rosenstiel SF, Land MF, Fujimoto J. Contemporary Fixed Prosthodontics. 6th edition

ANSWER
Dentinogenesis Imperfecta

OTHER OPTIONS
● Amelogenesis Imperfecta – Primarily affects enamel, causing abnormal enamel thickness, color, hardness, or formation; the characteristic bulbous crowns and early pulp obliteration are not typical.
● Dentin Dysplasia – Type I is characterized by short or malformed roots and early pulp obliteration, while Type II may show thistle-tube pulp chambers and pulp stones. Bulbous crowns are not the classic feature.
● Regional Odontodysplasia – Usually affects teeth in a localized region and produces thin, poorly mineralized enamel and dentin with a characteristic “ghost-like” radiographic appearance.

SYNOPSIS
● Dentinogenesis imperfecta (DI) is a hereditary developmental defect of dentin characterized by bulbous crowns, cervical constriction, short roots, and early obliteration of the pulp chambers.
● Clinically, teeth may have a blue-gray, amber, or opalescent appearance and are prone to rapid wear and fracture.
● Radiographically, the teeth typically show bulbous crowns with cervical constriction, short roots, and narrowed or obliterated pulp chambers.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Morphodifferentiation stage

OTHER OPTIONS
● Initiation – Determines the beginning and location of tooth development; abnormalities may result in missing or supernumerary teeth.
● Proliferation – Involves multiplication of cells and formation of the tooth germ; disturbances can result in abnormalities such as tooth number or size.
● Apposition – Involves deposition of enamel and dentin matrices after the shape and form of the tooth have been established.

SYNOPSIS
● Peg-shaped lateral incisors are primarily a shape and size abnormality, associated with disturbance during the morphodifferentiation stage (bell stage) of tooth development.
● During morphodifferentiation, the shape and form of the crown are determined without significant increase in cell number.
● Disturbances at this stage can produce abnormalities in tooth shape, such as peg laterals.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Congenital Syphilis

OTHER OPTIONS
● Fluorosis – Causes diffuse enamel opacities ranging from faint white streaks to brown discoloration and pitting, depending on severity.
● Tetracycline staining – Produces intrinsic yellow-gray to brown discoloration of teeth and does not characteristically cause screwdriver-shaped incisors with notched incisal edges.
● Cleidocranial dysplasia – Characteristically causes numerous unerupted and supernumerary teeth, delayed eruption, and abnormalities of the clavicles rather than Hutchinson incisors.

SYNOPSIS
● Congenital syphilis can cause characteristic Hutchinson incisors, which are permanent incisors that are screwdriver-shaped with a notched incisal edge.
● Other dental manifestations include mulberry molars and enamel hypoplasia.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
To disrupt oral biofilm and prevent calculus formation

OTHER OPTIONS
● To whiten teeth – Toothbrushing may remove some extrinsic stains, but whitening is not the primary goal of mechanical toothbrushing.
● To massage the gingiva – Gingival stimulation may occur during brushing, but it is not the main purpose.
● To deliver fluoride – Fluoride delivery is an important benefit of fluoride toothpaste, but the primary purpose of mechanical brushing is physical removal and disruption of dental biofilm.

SYNOPSIS
● The main goal of mechanical toothbrushing is to disrupt and remove dental biofilm (plaque) from tooth surfaces and along the gingival margin.
● Effective biofilm control helps prevent dental caries and gingival/periodontal inflammation.
● Regular removal of plaque also reduces the accumulation and subsequent mineralization of plaque into calculus, although established calculus cannot be removed effectively by toothbrushing alone.

REFERENCE
Wilkins EM. Clinical Practice of the Dental Hygienist. 14th Edition

ANSWER
At the most dependent / fluctuant part

OTHER OPTIONS
● At the most superior point – A superior incision may not provide adequate drainage because pus tends to collect dependently under gravity.
● Directly over the root apex – The incision should not be placed simply according to the root apex; the location should be based on the area of maximal fluctuation and safe access to the abscess.
● At the mucogingival junction – This is not routinely the preferred site unless the location of the abscess specifically dictates it.

SYNOPSIS
● For an accessible, localized intraoral abscess, the incision is generally placed at the most dependent point of the fluctuant swelling to facilitate drainage.
● The incision should be made through healthy tissue when possible, while avoiding important anatomical structures.
● Adequate drainage, elimination of the source of infection, and appropriate follow-up are essential components of treatment.

REFERENCE
Hupp JR, Ellis E, Tucker MR. Contemporary Oral and Maxillofacial Surgery. 7th edition

ANSWER
No. 150 (Universal Maxillary Forceps)

OTHER OPTIONS
● No. 151 – Primarily a universal forceps commonly used for mandibular teeth, particularly mandibular anterior and premolar teeth.
● Cowhorn forceps – Designed primarily for mandibular molars with substantial furcation anatomy; the pointed beaks engage the furcation.
● No. 23 – Commonly known as the “cowhorn” forceps and is primarily used for mandibular molars.

SYNOPSIS
● No. 150 forceps is the commonly used universal forceps for extraction of maxillary teeth, including maxillary incisors and premolars.
● Its beaks are designed to adapt to the cervical region of the tooth and are suitable for the relatively accessible anatomy of maxillary anterior teeth.

REFERENCE
Malamed SF. Handbook of Local Anesthesia. 7th edition

ANSWER
Holes punched too far apart

OTHER OPTIONS
● Holes punched too close together – Can cause the rubber dam material to bunch or tear between adjacent teeth, but does not typically produce the characteristic wrinkles from excessive spacing.
● Using a heavy gauge dam – A heavy gauge dam generally provides better retraction and adaptation around the teeth and is not the usual cause of wrinkles between teeth.
● Using an inverted clamp – Improper clamp placement can affect dam adaptation, but it is not the primary cause of wrinkles between adjacent teeth.

SYNOPSIS
● Wrinkles or folds in the rubber dam between teeth commonly occur when the punched holes are too far apart, leaving excessive rubber dam material between the teeth.
● Proper hole spacing should correspond closely to the interproximal distance between the teeth to allow the dam to pass smoothly through the contacts and adapt around the cervical areas.

REFERENCE
Bird DL, Robinson DS. Modern Dental Assisting. 13th Edition

ANSWER
4 points

OTHER OPTIONS
● 2 points – Two-point contact does not provide adequate stability for a rubber dam clamp and may allow the clamp to rock or dislodge.
● 3 points – Three-point contact provides less stability than the ideal four-point contact.
● Circumferential contact – A clamp should engage the tooth securely at specific contact points rather than requiring continuous circumferential contact.

SYNOPSIS
● A rubber dam clamp should ideally contact the tooth at four points to provide maximum stability and retention.
● The four contact points should be positioned so that the clamp is stable and does not rock or impinge excessively on the gingival tissues.

REFERENCE
Bird DL, Robinson DS. Modern Dental Assisting. 13th Edition

ANSWER
Hank’s Balanced Salt Solution (HBSS)

OTHER OPTIONS
● Milk – A good readily available transport medium for an avulsed tooth because it helps maintain periodontal ligament cell viability, but it is not as effective as HBSS.
● Saliva – Better than dry storage but is less suitable because of its lower ability to maintain periodontal ligament cell viability and the risk of bacterial contamination.
● Water – The poorest choice because it is hypotonic and can cause rapid damage to periodontal ligament cells.

SYNOPSIS
● Hank’s Balanced Salt Solution (HBSS) is considered the best storage medium for an avulsed permanent tooth because it can maintain the viability of periodontal ligament cells for an extended period.
● If HBSS is unavailable, cold milk is a practical and readily available alternative.
● The avulsed tooth should ideally be replanted as soon as possible, because extraoral dry time is a major determinant of periodontal ligament cell survival.

REFERENCE
Andreasen JO, Andreasen FM, Andersson L. Textbook and Color Atlas of Traumatic Injuries to the Teeth. 5th Edition

ANSWER
Apicoectomy with retrograde filling

OTHER OPTIONS
● Extract the tooth – Extraction is generally considered when the tooth is non-restorable or when nonsurgical and surgical endodontic treatment cannot predictably resolve the infection.
● Leave it and do nothing – An instrument fragment may sometimes be left in place if the tooth is asymptomatic and adequately disinfected, but a persistent periapical lesion indicates that further treatment is required.
● Prescribe antibiotics – Antibiotics do not eliminate the source of a persistent endodontic infection and are not a definitive treatment for a localized periapical lesion.

SYNOPSIS
● When a separated instrument is located in the apical third and cannot be retrieved, attempting further retrieval may risk unnecessary removal of root structure or perforation.
● In the presence of a persistent periapical lesion, periapical surgery (apicoectomy) with retrograde/root-end filling can provide direct access to the apical area and allow removal of the infected apical portion.
● The treatment decision depends on factors such as the location of the fragment, canal disinfection, periapical status, tooth restorability, and accessibility for surgery.

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th edition

ANSWER
Paternalism

OTHER OPTIONS
● Autonomy – Respecting the patient’s right to make informed decisions about their own healthcare after receiving appropriate information.
● Beneficence – Acting in the patient’s best interests and promoting their well-being.
● Justice – Providing fair and equitable treatment and distribution of healthcare resources.

SYNOPSIS
● Paternalism occurs when a healthcare professional makes a decision on behalf of the patient without adequately respecting the patient’s right to choose, often with the intention of benefiting the patient.
● Failing to obtain proper informed consent violates the ethical principle of patient autonomy and represents paternalistic decision-making.

REFERENCE
Beauchamp TL, Childress JF. Principles of Biomedical Ethics. 8th ed. Oxford University Press.

ANSWER
It uses a pre-vacuum phase to remove air effectively for porous and hollow instruments

OTHER OPTIONS
● It is faster than Type N – Speed is not the main advantage of a Type B autoclave; its key advantage is effective air removal and steam penetration.
● It uses dry heat – Type B autoclaves use saturated steam under pressure, not dry heat.
● It operates at a lower temperature – Type B autoclaves generally operate at standard steam sterilization temperatures such as 121°C or 134°C; the key difference is the air-removal system.

SYNOPSIS
● Type B autoclaves use a fractionated pre-vacuum cycle to remove air from the chamber and from the loads before steam is introduced.
● This allows effective sterilization of solid, porous, wrapped, and hollow instruments, including dental handpieces and other complex loads.

REFERENCE
European Committee for Standardization. EN 13060: Small Steam Sterilizers. Brussels: CEN

ANSWER
Class II Modification 1

OTHER OPTIONS
● Class I Modification 1 – Class I involves bilateral edentulous areas posterior to the remaining natural teeth.
● Class III Modification 1 – Class III involves a unilateral edentulous space with natural teeth both anterior and posterior to it; it is not a distal-extension situation.
● Class IV Modification 1 – Class IV consists of a single edentulous area anterior to the remaining teeth and crossing the midline; Class IV does not have modification spaces.

SYNOPSIS
● Kennedy Class II is characterized by a unilateral edentulous area located posterior to the remaining natural teeth, creating a distal-extension base on one side.
● When there is one additional edentulous space elsewhere in the arch, it is classified as Class II Modification 1.

REFERENCE
Carr AB, Brown DT. McCracken’s Removable Partial Prosthodontics. 14th Edition

ANSWER
Alveolar Osteitis (Dry Socket)

OTHER OPTIONS
● Post-operative infection – Usually presents with increasing swelling, fever, purulent discharge, and other signs of infection rather than the characteristic exposed socket with severe pain and foul odor.
● Osteomyelitis – Involves infection and inflammation of bone and is generally associated with more persistent infection, swelling, systemic symptoms, or radiographic changes.
● Normal healing – Normal extraction healing should not produce severe pain with exposed bone and a foul odor several days after extraction.

SYNOPSIS
● Alveolar osteitis (dry socket) typically develops 2–5 days after extraction due to premature breakdown or loss of the blood clot.
● It presents with severe, throbbing pain, an empty socket with exposed bone, and a foul odor or taste.
● Treatment is primarily symptomatic, including gentle irrigation and placement of an appropriate medicated dressing; antibiotics are not routinely indicated unless there is evidence of spreading infection or systemic involvement.

REFERENCE
Hupp JR, Ellis E, Tucker MR. Contemporary Oral and Maxillofacial Surgery. 7th Edition

ANSWER
Irrigation with warm saline and placement of Alvogyl

OTHER OPTIONS
● Curettage to induce bleeding – Routine curettage is not recommended because it may expose additional bone and increase tissue trauma.
● Prescribe systemic antibiotics – Antibiotics are not routinely indicated for uncomplicated alveolar osteitis because it is primarily a localized healing complication rather than an active bacterial infection.
● Surgical closure – Surgical closure is not routinely required and is unnecessary for uncomplicated dry socket.

SYNOPSIS
● Alveolar osteitis (dry socket) is managed primarily with pain control and local treatment.
● The socket may be gently irrigated with warm saline to remove debris, followed by placement of a soothing or medicated dressing like Alvogyl or ZOE paste when indicated.
● Analgesics are also prescribed according to the patient’s needs.

REFERENCE
Hupp JR, Ellis E, Tucker MR. Contemporary Oral and Maxillofacial Surgery. 7th ed.

ANSWER
Odontogenic Keratocyst (OKC)

OTHER OPTIONS
● Radicular cyst – The most common inflammatory odontogenic cyst, usually associated with the apex of a non-vital tooth, but it does not have the characteristically high recurrence rate of OKC.
● Dentigerous cyst – Develops around the crown of an unerupted tooth and is generally less prone to recurrence than OKC.
● Calcifying Odontogenic Cyst – A relatively uncommon odontogenic cyst that may contain calcifications and ghost cells; recurrence is generally lower than that of OKC

SYNOPSIS
● Odontogenic keratocyst (OKC) is notable for its relatively high recurrence potential, partly related to its thin, friable epithelial lining and the presence of satellite cysts or daughter cysts.
● It commonly occurs in the posterior mandible and ramus and may grow extensively in the anteroposterior direction with relatively limited expansion.
● Careful long-term follow-up is important because recurrence can occur after treatment.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Cherubism

OTHER OPTIONS
● Fibrous Dysplasia – Usually presents as a unilateral or localized bony expansion with a characteristic “ground-glass” radiographic appearance; it is generally not an autosomal dominant bilateral jaw disorder in children.
● Paget’s Disease – Typically affects older adults and may cause diffuse enlargement of the jaws with a “cotton-wool” radiographic appearance.
● Osteopetrosis – A hereditary disorder characterized by increased bone density due to defective bone resorption, rather than the characteristic multilocular radiolucent jaw lesions of cherubism.

SYNOPSIS
● Cherubism is a rare autosomal dominant fibro-osseous disorder that usually becomes apparent in early childhood.
● It causes bilateral, painless expansion of the mandible and/or maxilla, producing a characteristic “cherubic” facial appearance.
● Radiographically, it typically presents as bilateral, multilocular radiolucencies, often involving the posterior mandible and associated with developing teeth.
● The lesions often stabilize or regress after puberty.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 5th edition

ANSWER
Risk of MRONJ; use conservative surgical protocols and antibiotic coverage

OTHER OPTIONS
● Bleeding; use local hemostatics – Bleeding is not the primary concern associated with IV zoledronate therapy. The major concern is medication-related osteonecrosis of the jaw (MRONJ).
● Infection; extract normally – Extraction without appropriate risk assessment and precautions may increase the risk of developing MRONJ in patients receiving potent IV bisphosphonates.
● Nerve damage; refer to OMFS – Nerve injury is not the characteristic complication associated with zoledronate therapy.

SYNOPSIS
● Intravenous zoledronate (zoledronic acid) is a potent antiresorptive medication associated with an increased risk of medication-related osteonecrosis of the jaw (MRONJ), particularly in patients receiving higher doses for cancer-related conditions.
● When extraction is unavoidable, management should involve careful risk assessment, conservative surgical technique, primary closure when feasible, and close postoperative follow-up. Antibiotics may be used according to the clinical situation and specialist protocol.
● When possible, alternatives to extraction and coordination with the patient’s physician/oncologist or an oral and maxillofacial surgeon should be considered.

REFERENCE
Ruggiero SL, Dodson TB, Aghaloo T, et al. Medication-Related Osteonecrosis of the Jaw—2022 Update. Journal of Oral and Maxillofacial Surgery.

ANSWER
To reduce bacterial load in aerosols and limit contamination

OTHER OPTIONS
● To prevent caries – Chlorhexidine is an antimicrobial agent, but a pre-procedural CHX rinse is not primarily intended for caries prevention.
● To anesthetize the mucosa – Chlorhexidine has no local anesthetic effect.
● To whiten teeth – Chlorhexidine is not a whitening agent and prolonged use may actually cause extrinsic tooth staining.

SYNOPSIS
● A pre-procedural chlorhexidine (CHX) mouthrinse is used to reduce the oral microbial load before dental procedures.
● This can help reduce the number of microorganisms present in aerosols and splatter generated during procedures.
● It is an adjunct to standard infection-control measures and does not eliminate contamination or replace appropriate PPE and high-volume evacuation.

REFERENCE
Harrel SK, Molinari J. Aerosols and splatter in dentistry: a brief review of the literature and infection control implications. Journal of the American Dental Association.

ANSWER
Triple tray (Dual-arch tray)

OTHER OPTIONS
● Standard rigid metal stock tray – Used for conventional impression techniques but does not simultaneously record the prepared tooth, opposing arch, and interocclusal relationship in a single impression.
● Custom acrylic resin tray – Provides a customized fit and uniform impression material thickness but generally requires separate procedures for the opposing arch and bite registration.
● Sectional perforated plastic tray – May be used for localized impression procedures but does not provide the simultaneous triple recording achieved with a dual-arch tray.

SYNOPSIS
● A triple tray (dual-arch tray) allows simultaneous recording of the prepared tooth/master impression, opposing dentition (counter-impression), and interocclusal bite relationship.
● It is particularly useful for single-unit posterior crowns when adequate posterior occlusion and stable contacts are present.
● The technique can reduce clinical chair time because the working impression, opposing arch, and bite registration are captured in one procedure.

REFERENCE
Rosenstiel SF, Land MF, Fujimoto J. Contemporary Fixed Prosthodontics. 6th ed.

ANSWER
Pathologic tooth mobility

OTHER OPTIONS
● Gingival recession – May occur due to several local or traumatic factors but is not a definitive or pathognomonic sign of Trauma From Occlusion (TFO).
● Bleeding on probing – Primarily indicates gingival inflammation and is not a specific sign of TFO.
● Pulp necrosis – May result from severe dental trauma or other pulpal insults but is not a primary or definitive clinical sign of TFO.

SYNOPSIS
● Pathologic tooth mobility is considered the primary clinical sign associated with Trauma From Occlusion (TFO).
● TFO results from excessive occlusal forces that exceed the adaptive capacity of the periodontal tissues, producing changes in the periodontal ligament and supporting bone.
● Other findings may include fremitus, widened periodontal ligament space, tooth migration, and radiographic changes, but these are not individually pathognomonic.

REFERENCE
Newman MG, Takei HH, Klokkevold PR, Carranza FA. Carranza’s Clinical Periodontology. 13th ed.

ANSWER
4 inches

OTHER OPTIONS
● Not applicable

SYNOPSIS
● For immersion disinfection, the container should be sufficiently deep to allow the impression tray or dental instruments to be completely submerged in the disinfectant solution.
● In dental infection-control teaching materials, a minimum depth of approximately 4 inches is commonly recommended for an immersion container.
● The container should also have a secure lid and should be large enough to accommodate the items without overcrowding.

REFERENCE
Bird DL, Robinson DS. Modern Dental Assisting. 13th ed.

ANSWER
Reversed film placement

OTHER OPTIONS
● Double exposure of the film – Produces a darker or superimposed image rather than the characteristic herringbone or “tyre track” pattern.
● Inadequate fixing time in processing – May result in a milky or cloudy appearance, but does not produce the characteristic herringbone pattern.
● Excessive vertical angulation of the PID – Causes dimensional distortion such as foreshortening or elongation, not a tyre-track pattern.

SYNOPSIS
● The “tyre track” or herringbone pattern is produced when intraoral film is placed backward, with the lead-foil backing facing the X-ray tube.
● The X-ray beam passes through the film from the wrong direction and interacts with the embossed pattern of the lead foil, producing a light/faint image with a distinctive herringbone or tyre-track appearance.
● This error is also called reversed film placement or backward film placement.

REFERENCE
Bird DL, Robinson DS. Modern Dental Assisting. 13th ed.

ANSWER
Lead collimator

OTHER OPTIONS
● Aluminum filter – Removes low-energy, long-wavelength X-rays from the beam by filtration, thereby reducing unnecessary patient radiation exposure, but it does not primarily determine the beam’s size and shape.
● Molybdenum focusing cup – Surrounds the tungsten filament and directs electrons toward the focal spot on the target; it does not restrict the X-ray beam.
● Tungsten target – Converts the kinetic energy of electrons into X-rays within the anode; it is not responsible for limiting beam size or shape.

SYNOPSIS
● The lead collimator is designed to restrict the size and shape of the primary X-ray beam, limiting the area of tissue exposed to radiation.
● Filtration and collimation are both important radiation-protection measures, but they perform different functions.

REFERENCE
White SC, Pharoah MJ. Oral Radiology: Principles and Interpretation. 8th ed

ANSWER
Open dentinal tubules / Microleakage

OTHER OPTIONS
● Incomplete removal of caries – May cause postoperative pulpal irritation, but the absence of recurrent caries or periapical changes and the prominent sharp cold sensitivity make this less likely.
● Hyperocclusion (high interocclusal contact) – Typically causes pain or discomfort on biting and percussion, but it does not primarily explain sharp sensitivity to cold fluids.
● Recurrent caries – Cannot reasonably develop within only 3 days after placement of a new restoration and would not account for the immediate postoperative sensitivity.

SYNOPSIS
● Sharp sensitivity to cold after a composite restoration is commonly associated with open dentinal tubules and microleakage at the tooth-restoration interface.
● Polymerization shrinkage of resin composite can create stresses at the bonded interface, potentially resulting in marginal gaps and fluid movement within dentinal tubules.
● The hydrodynamic movement of fluid within exposed dentinal tubules stimulates pulpal nerve fibers and produces sharp, short-lasting sensitivity to cold.
● Pain on biting may also occur transiently, but when cold sensitivity is the prominent feature, open dentinal tubules/microleakage is the best answer.

REFERENCE
Summitt JB, Robbins JW, Hilton TJ, Schwartz RS. Fundamentals of Operative Dentistry: A Contemporary Approach. 4th ed.

ANSWER
Symptomatic irreversible pulpitis

OTHER OPTIONS
● Reversible pulpitis – Usually causes a sharp, brief pain to cold or sweet stimuli that subsides quickly after removal of the stimulus; spontaneous or lingering pain is not typical.
● Acute apical periodontitis – Primarily presents with pain on biting or percussion due to inflammation of the periodontal ligament rather than severe lingering thermal pain.
● Normal pulp – May respond to cold with a brief, mild sensation, but it does not produce spontaneous, severe, or lingering pain.

SYNOPSIS
● Symptomatic irreversible pulpitis is characterized by spontaneous, severe, lingering thermal pain, particularly in response to heat.
● In some cases, cold temporarily relieves the pain by reducing pulpal pressure and altering the vascular response within the inflamed pulp.
● The combination of severe spontaneous throbbing pain + heat aggravation + temporary relief with cold is highly suggestive of symptomatic irreversible pulpitis.

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th ed

ANSWER
Lateral periodontal abscess

OTHER OPTIONS
● Periapical abscess – Usually originates from pulpal infection and is associated with a non-vital tooth; the lesion is typically centered around the root apex.
● Radicular cyst – An inflammatory odontogenic cyst associated with a non-vital tooth and usually located at the root apex.
● Internal root resorption – Produces a characteristic enlargement of the root canal space and does not typically present as a localized periodontal swelling with lateral bone loss.

SYNOPSIS
● A lateral periodontal abscess is a localized purulent infection arising from the periodontal tissues, typically presenting with localized gingival swelling, redness, pain, and lateral periodontal bone loss.
● The tooth generally remains vital, which helps distinguish it from a periapical abscess of pulpal origin.
● The combination of lateral swelling + lateral bone loss + vital pulp – lateral periodontal abscess.

REFERENCE
Newman MG, Takei HH, Klokkevold PR, Carranza FA. Carranza’s Clinical Periodontology. 13th ed

ANSWER
Severe pain upon lateral (horizontal) percussion

OTHER OPTIONS
● Sharp pain upon vertical percussion only – More suggestive of inflammation involving the apical periodontal tissues, as seen in acute apical periodontitis/abscess.
● High-pitched, metallic sound upon vertical percussion – More commonly associated with ankylosis rather than a periodontal abscess.
● Complete absence of pain upon both lateral and vertical percussion – Does not support an acute periodontal abscess because acute inflammation generally produces tenderness.

SYNOPSIS
● A lateral periodontal abscess is localized within the periodontal tissues along the lateral aspect of the root, so lateral/horizontal percussion may reproduce the patient’s discomfort more prominently.
● An acute periapical abscess primarily involves the tissues around the root apex and is more characteristically associated with vertical percussion tenderness.
● Therefore, severe pain on lateral percussion + vital tooth + lateral periodontal swelling/bone loss → lateral periodontal abscess.

REFERENCE
Newman MG, Takei HH, Klokkevold PR, Carranza FA. Carranza’s Clinical Periodontology. 13th ed

ANSWER
Replant the tooth into the socket with gentle pressure immediately

OTHER OPTIONS
● Scrape the root surface with a curette and store in saline – The periodontal ligament cells on the root surface should be preserved; scraping them off can further damage the cells and worsen the prognosis.
● Perform endodontic treatment on the chair before replantation – Immediate replantation should not be delayed for endodontic treatment. For an immature permanent tooth, the treatment plan should aim to preserve or revascularize the pulp when appropriate.
● Place the tooth in 10% formalin and observe for 24 hours – Formalin is a tissue fixative and is inappropriate for an avulsed tooth intended for replantation.

SYNOPSIS
● An avulsed permanent tooth should be replanted as soon as possible, provided there are no contraindications.
● In this case, the tooth has been out of the socket for only 25 minutes and has been stored in cold milk, which helps maintain periodontal ligament cell viability.
● The tooth should be handled by the crown, gently rinsed if contaminated, and replanted immediately with gentle pressure.
● After replantation, the tooth is stabilized with an appropriate flexible splint and the patient is assessed for associated injuries and subsequent endodontic management.

REFERENCE
Andersson L, Andreasen JO, Day P, et al. International Association of Dental Traumatology guidelines for the management of traumatic dental injuries: 2. Avulsion of permanent teeth. Dental Traumatology

ANSWER
Within 1 week to 2 weeks post-replantation

OTHER OPTIONS
● Extraorally before replanting the tooth – Root canal treatment should generally not delay immediate replantation. Extraoral endodontic treatment is reserved for selected circumstances and is not the preferred approach when immediate replantation is possible.
● After 3 to 6 months of clinical observation – Waiting several months in a tooth with a closed apex increases the risk of inflammatory root resorption and is not recommended.
● Only when symptomatic periapical swelling develops – A closed-apex avulsed tooth has a high risk of pulpal necrosis, so endodontic treatment is initiated proactively rather than waiting for symptoms or swelling.

SYNOPSIS
● For an avulsed permanent tooth with a fully formed (closed) apex, the pulp is unlikely to revascularize predictably after avulsion.
● Following immediate replantation, root canal treatment is generally initiated within 1–2 weeks, commonly after stabilization of the tooth.
● The aim is to prevent or control infection-related inflammatory root resorption.

REFERENCE
Andersson L, Andreasen JO, Day P, et al. International Association of Dental Traumatology guidelines for the management of traumatic dental injuries: 2. Avulsion of permanent teeth. Dental Traumatology.

ANSWER
1.23%

OTHER OPTIONS
● 0.05% – This concentration is commonly associated with daily sodium fluoride mouthrinses, not professionally applied APF gel.
● 2.00% – This is not the standard concentration of professionally applied APF gel.
● 5.00% – This concentration is characteristic of 5% sodium fluoride varnish, not APF gel.

SYNOPSIS
● Acidulated Phosphate Fluoride (APF) gel is conventionally available at a concentration of 1.23% fluoride ion, equivalent to approximately 12,300 ppm fluoride.
● APF is commonly formulated at pH approximately 3–4 to enhance fluoride uptake by enamel.

REFERENCE
Wilkins EM. Clinical Practice of the Dental Hygienist. 14th ed

ANSWER
Deep pressure

OTHER OPTIONS
● Pain (nociception) – Pain fibers are among the first sensory modalities to be blocked by local anesthetics.
● Temperature (cold and heat) – Temperature sensation is also lost relatively early during progressive local anesthetic blockade.
● Touch and proprioception – These sensations are generally affected before the deeper pressure sensation.

SYNOPSIS
● Local anesthetics produce a differential nerve block, with smaller fibers generally becoming blocked before larger, heavily myelinated fibers.
● The usual clinical sequence is pain → temperature → touch → deep pressure/proprioception, with deep pressure being among the last sensations to disappear.
● This explains why a patient may still perceive pressure or movement during a procedure despite having adequate anesthesia for pain.

REFERENCE
Malamed SF. Handbook of Local Anesthesia. 7th ed.

ANSWER
21 days (3 weeks)

OTHER OPTIONS
● 24 to 48 hours – The blood clot forms and initial healing begins, but granulation tissue has not completely filled the extraction socket.
● 7 days (1 week) – Granulation tissue is well established at this stage, but complete filling of the socket generally takes longer.
● 60 days (2 months) – By this time, the socket is undergoing more advanced connective tissue and bone formation rather than merely being filled with granulation tissue.

SYNOPSIS
● Following an uncomplicated tooth extraction, the socket initially becomes filled with a blood clot.
● The clot is gradually replaced by granulation tissue, which contains numerous new capillaries, fibroblasts, and inflammatory cells.
● By approximately 3 weeks, granulation tissue has typically completely filled the extraction socket.
● Subsequent healing involves maturation of connective tissue and progressive formation and remodeling of new bone.

REFERENCE
Hupp JR, Ellis E, Tucker MR. Contemporary Oral and Maxillofacial Surgery. Elsevier.

ANSWER
Primary Maxillary Central Incisor

OTHER OPTIONS
● Primary Mandibular Central Incisor – Its mesiodistal dimension is not characteristically greater than its cervicoincisal height.
● Primary Maxillary Canine – The canine has a more vertically oriented crown, with the cervicoincisal dimension generally greater than the mesiodistal dimension.
● Primary Mandibular First Molar – Its crown is wider mesiodistally, but it does not show the characteristic proportion described for the primary maxillary central incisor.

SYNOPSIS
● The primary maxillary central incisor has a distinctive crown form in which the mesiodistal width is greater than the cervicoincisal (occlusogingival) height.
● This gives the crown a relatively wide, short appearance compared with the permanent maxillary central incisor.
● This feature is an important identifying characteristic of primary maxillary central incisors in dental anatomy.

REFERENCE
Nelson SJ. Wheeler’s Dental Anatomy, Physiology, and Occlusion. 11th edition

ANSWER
1)Insertion of the implant body into the bone.
2)Allowing osseointegration for 3-6 months.
3)Exposure of the implant for abutment placement.

OTHER OPTIONS
• Not applicable

SYNOPSIS
• In a two-stage procedure, the implant body is first inserted into the bone, followed by a period of osseointegration (usually 3-6 months).
• Once osseointegration is complete, a second minor surgery is performed to expose the implant and place the abutment.

REFERENCE
Contemporary Implant Dentistry – Carl E Misch 4th Edition

ANSWER
CT

OTHER OPTIONS
• Lateral Skull X-ray – Lateral skull X-rays provide a side view of the entire skull, but they lack the resolution to detect small or complex fractures in the infraorbital area. They are primarily used to assess large skull fractures or abnormalities in the cranial vault, not the detailed bone structures of the midface.
• Panoramic X-ray – Panoramic X-rays are typically used for visualizing the jaws, teeth, and lower face.
• Waters view – The Waters view is a specialized X-ray technique to visualize the maxillary sinuses, orbital rims, and zygomatic arches.

SYNOPSIS
• A CT scan offers superior resolution and a detailed 3D view of the facial bones, making it the gold standard for diagnosing complex fractures in the infraorbital area.
• It can provide information about bone displacement, comminution, and the involvement of surrounding structures, which is critical for planning appropriate treatment

REFERENCE
White and Pharoah’s Oral Radiology: Principles and Interpretation

ANSWER
Xerostomia

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Xerostomia (dry mouth) is a common side effect of HAART, often due to the suppression of salivary gland function by the medication.
• Symptoms of dry mouth, difficulty swallowing, and increased thirst are consistent with this condition.
• NB: HAART (Highly Active Antiretroviral Therapy)

REFERENCE
Definition of Highly Active Antiretroviral Therapy National Cancer Institute

ANSWER
Diabetes

OTHER OPTIONS
• Hypertension – Hypertension is not typically associated with an increased risk of infections or abscess formation in the oral cavity
• Sinusitis – Chronic sinusitis can lead to complications involving the sinuses, but it typically presents with symptoms such as nasal congestion, facial pain, and postnasal drip, not palatal abscesses.
• GERD – Causes erosion in palatal surface of teeth not abscess

SYNOPSIS
• Poorly controlled diabetes is associated with impaired immune function, leading to an increased risk of infections, including dental and periodontal abscesses.
• The patient’s history of frequent infections suggests that diabetes is a contributing factor to the formation of the palatal abscess.

REFERENCE
Shafer’s Textbook of Oral Pathology 10 th Edition

ANSWER
Purple

OTHER OPTIONS
• Not applicable

SYNOPSIS
• To neutralize or balance out a yellow hue and reduce its value (brightness), a complementary color, such as purple, is typically added.
• Purple helps in correcting excessive yellow in dental restorations and brings it closer to the desired hue.
• In a crown or tooth which is overly yellow, lightly washing with violet (the complementary hue of yellow) produces an area that is no longer yellow.

REFERENCE
Shade Selection in Esthetic Dentistry –

ANSWER
Require minimum interocclusal distance.

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• When constructing a complete denture prosthesis for an orthognathic ridge relationship, the following considerations are typically included
Support and Retention – Ensuring that the denture provides adequate support and retention based on the anatomy of the ridge and surrounding soft tissues.
Esthetics – Designing the denture to achieve natural appearance, considering factors such as lip support, tooth shape, and shade.
Occlusion – Achieving a functional occlusion that allows for proper chewing and minimizes movement or instability of the denture during function. This includes careful planning of tooth arrangement and occlusal relationships.
Jaw Relationships – Accurately determining the maxillomandibular relationship to ensure that the dentures align properly with the patient’s occlusal plane and facial aesthetics.
Comfort – Ensuring the denture is comfortable for the patient to wear, with consideration for any anatomical changes due to orthognathic surgery.
Functional Movement – Ensuring the denture accommodates functional movements such as chewing, speaking, and swallowing without discomfort or dislodgement.
Material Selection – Choosing appropriate materials for the denture base and teeth that provide durability and biocompatibility.
Mucosal Health – Considering the health of the oral mucosa and ensuring that the denture design does not irritate or cause pressure points.
• These considerations help in creating a complete denture prosthesis that is functional, comfortable, and aesthetically pleasing for patients with orthognathic ridge relationships.
• While maintaining appropriate space is important, a strict minimum interocclusal distance is not a primary focus. The emphasis is on overall fit and function rather than a specific distance.

REFERENCE
Occlusal Considerations in Complete Dentures-Sandro Palla-Restorative and Prosthodontic Therapy.

ANSWER
The reshaping of the alveolar process to achieve a more physiologic form without removing supporting bone

OTHER OPTIONS
NIL

SYNOPSIS
• Osseous surgery may be defined as the procedure by which changes in the alveolar bone can be accomplished to rid it of deformities induced by the periodontal disease process or other related factors such as exostosis and tooth supra eruption.
•The morphology of the osseous defect largely determines the treatment technique to be used.
• One-wall angular defects usually need to be recontoured surgically.
• Two-wall angular defects can be treated with either method, depending on their depth, width, and general configuration.
• Three-wall defects, particularly if they are narrow and deep, can be successfully treated with techniques that strive for new attachment and bone reconstruction.
• Therefore, except for one-wall defects, shallow two-wall defects, and interdental craters, osseous defects are treated with the objective of obtaining optimal repair by natural healing processes.

REFERENCE
Resective Osseous Surgery -Thomas N. Sims

ANSWER
Infrabony pockets

OTHER OPTIONS
• Explained in synopsis

SYNOPSIS
• Gingivectomy is the excision of gingival tissue, usually to remove the diseased wall of a periodontal pocket (true pocket or pseudopocket). The term gingivectomy was coined by Pickerill in 1912.
• The basic prerequisites for gingivectomy are as follows
– There should be an adequate zone of attached gingiva so that the excision of part of it will still leave a functionally adequate zone.
– The underlying alveolar bone must be in normal or nearly normal form.
– There should be no infrabony defects or pockets.
• Indications
– Elimination of supra bony fibrous and firm pockets.
– Elimination of gingival enlargement.
– Increase clinical crown height.
– Need for bone surgery.
– When the bottom of the pocket is apical to the Mucogingival junction.
– Aesthetic considerations, particularly in the anterior region of the Maxilla.
– Surgical gingivectomy.
• Contraindications
– In the presence of thick alveolar edges, interdental craters.
– Presence of infrabony pockets.
– Situations in which the bottom of the pocket is apical to the mucogingival junction.
– Inadequate oral hygiene maintenance by the patients.
– Medically compromised patients.
– Dentinal sensitivity before the surgical procedure.

REFERENCE
Carranza’s Clinical Periodontology

ANSWER
The professionals have a duty to treat the patient according to the patient’s desires, within the bounds of accepted treatment, and to protect the patient’s confidentiality

OTHER OPTIONS
• NIL

SYNOPSIS
• In medical practice, autonomy is usually expressed as the right of competent adults to make informed decisions about their own medical care.
• The principle underlies the requirement to seek the consent or informed agreement of the patient before any investigation or treatment takes place
•There are three elements to the psychological capacity of autonomy – agency, independence, and rationality.
• Agency is awareness of oneself as having desires and intentions and of acting on them.

REFERENCE
Medical Ethics- Autonomy- The medical portal

ANSWER
Marquis color-coded probe

OTHER OPTIONS
• William’s probe -Williams Probe is intended to measure the depth of periodontal pockets. It is marked in millimeters 1-2-3-5-7-8-9-10.
• Naber’s probe -Naber’s probe is used to determine the extent of the horizontal attachment loss in furcations.

SYNOPSIS
• Marquis color-coded probe is a periodontal probe with markings or calibrations given in 3mm sections.
• It is used to measure pocket depths around a tooth in order to establish the state of health of the periodontium with its long, thin, and blunted tip.

REFERENCE
Carranza’s Clinical Periodontology

ANSWER
Inability to be retrieved

OTHER OPTIONS
• NIL

SYNOPSIS
• Cement-retained implant restorations consist of an abutment upon which the implant crown is cemented.
• Advantages
– Independent of implant orientation or angulation
– Enhanced esthetics 
• Disadvantages
– Unknown retention
– Can be difficult to remove

REFERENCE
Cement-retained versus screw-retained implant restorations – Achieving optimal occlusion and esthetics in implant dentistry

ANSWER
PKT3

OTHER OPTIONS
• Wax Knife – Used for cutting excessive wax.
• Spoon excavator – A spoon excavator is used to clean out and shape a carious cavity before filling it.
• Spatula – Wax Spatulas are used to mix dental wax.

SYNOPSIS
• Waxing instruments can be categorized by the intent of their design wax addition, carving, or burnishing.
• The popular PKTs designed by Dr. Peter K. Thomas specifically for the additive waxing technique are –
– No. 1 and no. 2 are wax addition instruments,
– No. 3 is a burnisher for refining occlusal anatomy. Used to perfect and enhance the supplemental and developmental groves.
– No. 4 and 5 are wax carvers.
– No 4 Used to perfect the external contours and remove excess wax at the cavosurface margins.
– No 5 Used to remove excess wax. Its contour maintains desired convexity at these ridges.

REFERENCE
Shillingburg, Fundamentals of fixed prosthodontics, pg 335

ANSWER
Class II

OTHER OPTIONS
• Refer Synopsis.

SYNOPSIS
• Ridge deformities have been grouped into three categories by Siebert and this classification has been widely accepted.
Class I – Loss of faciolingual ridge width, with normal apicocoronal height.
Class II – Loss of ridge height(apico-coronal), with normal width.
Class III – Loss of both ridge width and height(apico-coronal and facio-lingual)

REFERENCE
Shillingburg, Fundamentals of Fixed Prosthodontics,pg 491

ANSWER
Autoclave

OTHER OPTIONS
• Ethylene oxide – Ethylene oxide sterilizers are used to sterilize heat- and moisture-sensitive devices that would be damaged by pure steam or liquid chemical sterilization, including most plastic or rubber products (e.g., catheters, resuscitation bags, anesthesia masks, most fiberoptic instruments)
• Chemiclave – Chemiclave is a form of autoclave, used to sterilise surgical instruments, that incorporates steam, alcohol and formaldehyde under pressure.

SYNOPSIS
• Autoclaves provide a physical method for disinfection and sterilization. They work with a combination of steam, pressure, and time. Autoclaves operate at high temperature and pressure to kill microorganisms and spores.
• To be effective, the autoclave must reach and maintain a temperature of 121 degree C for at least 30 minutes by using saturated steam under at least 15 psi of pressure.
• Place trays in autoclaving pouches when using chemicals in the autoclave.

REFERENCE
Disinfection, Sterilization, and Control of Hospital Waste. Mandell, Douglas, and Bennetts Principles and Practice of Infectious Diseases. 2015

ANSWER
A significant color change of one object as it moves from one illumination to another

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• The appearance of an object depends on the type of light by which the object is viewed.
• Daylight, incandescent lamps, and fluorescent lamps are all common sources of light in the dental operatory.
• Objects that appear to be color-matched under one type of light may appear very different under another light source. This phenomenon is called metamerism

REFERENCE
John J Manappallil, Basic dental materials, pg 32

ANSWER
Intramembranous ossification

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Maxilla develops primarily by intra-membranous ossification
• A primary intramembranous ossification centre appears for each maxilla in the 8th week of IUL at the termination of the infraorbital nerve just above the canine tooth dental lamina
• Secondary cartilages appear at the end of the 8th week in IU in the regions of the zygomatic and alveolar processes that rapidly ossify and fuse with the primary intramembranous centre
• Two further intramembranous pre-maxillary centres appear anteriorly one on each side in the 8th week IU and rapidly fuse with the primary maxillary centre.

REFERENCE
Textbook of Craniofacial Growth-Srider Premkumar-Chapter 1-Page 3.

ANSWER
Class I modification I

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Applegates Rules for Applying the Kennedy Classification
Rule 1 – Classification should follow rather than precede extraction.
Rule 2 – If the 3rd molar is missing and not to be replaced, it is not considered in the classification.
Rule 3 – If the 3rd molar is present and to be used as an abutment, it is considered in the classification.
Rule 4 – If the second molar is missing and not be replaced, it is not considered in the classification.
Rule 5 – The most posterior edentulous area determines the classification.
Rule 6 – Edentulous areas other than those determining classification are called modification spaces.
Rule 7 – The extent of the modification is not considered, only the number.
Rule 8 – There is no modification space in Class IV.
• Here, the posterior-most teeth are 2nd premolars, bilaterally, making it class I, and one edentulous space between canines, making it Class I, modification 1

Reference
Stewarts clinical RPD 3rd ed, pg 8

ANSWER
Observe over time

OTHER OPTIONS
• Extraction – Only done if there is no means of saving the tooth.
• Endodontic management – Done in closed apex cases with necrotic pulp changes.
• Pulpotomy – A pulpotomy is a dental procedure in which the pulp in the crown of a tooth is removed in order to save the tooth from infection or decay. 

SYNOPSIS
• Electric pulp testing is based on stimulation of sensory nerves and requires and relies on subjective assessments and comments from the patient. These can lead to false-positive and false-negative results.
• Younger or anxious patients can have false-positive results due to psychological factors.
• Likewise, false-negative results are possible in teeth with incomplete apical development, trauma, root canal calcification, periodontal disease, or in patients undergoing orthodontic treatment.
• So it’s always better to wait and observe for some time and evaluate the pulp status of the tooth.

REFERENCE
Grossman’s endodontic practice pg 378.

ANSWER
Bleaching of the gingiva due to incorrect placement of rubber dam

OTHER OPTIONS
• Not applicable

SYNOPSIS
• High concentrations of Hydrogen peroxide are caustic and cause chemical burns and sloughing of the gingiva.
• Hydrogen peroxide concentration should be maintained as low as practical and the soft tissues should always be protected with Vaseline, Orabase, or cocoa butter.
• The area should be copiously rinsed without delay.
• A vitamin E preparation should be on hand to serve as an emergency dressing that will provide an immediate antioxidative effect.
• When a patient reports tissue irritation, the soft tissues should be checked immediately. Warning signs other than the patient’s sensation are air bubbles rising from the gingival margins.
• pH – low pH can produce various harmful effects.
• A pH below the critical point (pH 5.5 to 6.5) may result in the dissolution of enamel, microhardness alterations, increased sensitivity, increased enamel wear and surface roughness.

REFERENCE
Effects of pH values of hydrogen peroxide bleaching agents on enamel surface properties, Oper Dent Sep-Oct 2011.

ANSWER
6 years

OTHER OPTIONS
• Nil

SYNOPSIS
• Neural tissues complete 90 percent of their growth by 6 years and 96 percent by 10 years of age.
• The calvarium grows most rapidly during the first 12 months, with the brain doubling in volume in the first 6 months and again by the second birthday.
• While calvarial expansion is most pronounced during the first 2 years, growth continues linearly until the age of 6 to 7 years, at which time the cranium is 90 percent of the adult size. Most of this cranial growth takes place in the sutures between the bone plates.
• Lymphoid tissues reach 100 percent adult size by 7 years – proliferate far beyond the adult size in late childhood (200 percent by 14 years) and involute around the onset of puberty.
• Somatic tissues show an S-shape curve with a definite slowing of growth rate during childhood and acceleration at puberty going on till age 20.
• Growth of the genital tissues accelerates rapidly around the onset of puberty.

REFERENCE
Textbook of Craniofacial Growth-Srider Premkumar-Chapter 1-Page10.

ANSWER
It can dull the sharp edges of instruments

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Advantages of autoclaves
– Destroys microorganisms more efficiently.
– Autoclaving is the most rapid and effective method for sterilizing cloth surgical packs and towel packs.
– Less time consuming
• Disadvantages of autoclaves
1. Sensitive – Items sensitive to the elevated temperature cannot be autoclaved.
2. Corrosion – Autoclaving tends to rust carbon steel instruments and burs. Steam appears to corrode the steel neck and shank portions of some diamond instruments and carbide burs.
3. It can dull the sharp edges of instruments – The researchers have predicted that the corrosive effect after autoclaving produced a reduction in the cutting capacity of 20 percent of the instruments tested after seven autoclave cycles.
4. Moisture retention – Instruments must be air-dried at the completion of cycle.

REFERENCE
Mosbys review NBDE part 2

ANSWER
Resection of the infected root

OTHER OPTIONS
• Calcium hydroxide – Calcium hydroxide is an intracanal medicament used in endodontics.
• Currettage – It is scraping off the gingival wall of a periodontal pocket to separate the diseased soft tissue
• Re – RCT – It is usually accomplished because the original treatment appears inadequate or has failed or because the root canal has been contaminated by prolonged exposure to the oral environment.

SYNOPSIS
• Radisectomy is one of the conservative surgical treatment approaches that allows resection of one or more affected roots of the tooth at the level of furcation and preserves the remaining roots and the complete crown structure, thereby maintaining the occlusal harmony.
• The tooth is then stabilized and rendered fully functional with a crown or filling.
• The multi-root teeth best suited to the root amputation procedure are the molars at the back of the mouth.

REFERENCE
Grossman Endodontic practice Pg 412.

ANSWER
Dentigerous cyst

OTHER OPTIONS
• Radicular cyst – On imaging, they generally appear as a round- or pear-shaped, unilocular, lucent lesion in the periapical region, usually measuring less than 1 cm and are bordered by a thin rim of cortical bone.
• OKC – Radiographically, they present as a unilocular or multilocular radiolucent lesion with distinct borders.
• Ameloblastoma – Usually multilocular and commonly found in the posterior mandible, particularly at the molar region

SYNOPSIS
• A dentigerous cyst is caused by the alteration of reduced enamel epithelium after the completion of amelogenesis, which results in fluid accumulation between epithelium and tooth crown.
• Radiographically, Dentigerous cysts often present as a unilocular radiolucent area around the crown of the impacted tooth surrounded by a well-defined sclerotic area.
• Large cysts may cause cortical bone expansion. 
• Surgical treatment of dentigerous cysts usually includes enucleation of the lesion along with the removal of associated teeth.

REFERENCE
Shafer’s Textbook of Oral Pathology 8th Edition

ANSWER
Serial cephalometric radiographs

OTHER OPTIONS
• Hand wrist radiographs – Hand-wrist radiograph analysis is to determine parameters such as patient’s skeletal age, the amount of growth left and to determine whether to use a functional appliance or to wait until growth ceases and performs extraction or surgery. (but this is mostly used in patients who are between 9 to 13, during the growth spurt period).
• Dental maturation status – The dental age method involves the recognition of clinically present teeth with eruption charts. The major limitation of this method is the variation in the timing of eruption, the influence of local and environmental factors, and the fact that several or no teeth may erupt during the same time interval.

SYNOPSIS
• The original purpose of cephalometrics was research on growth patterns in the craniofacial complex.
• Cephalometry can be used to assess a child’s skeletal maturation and growth rate by analyzing the cervical vertebrae in cephalometric radiographs
• Cervical vertebral maturation (CVM) method
– This method uses the anatomical structures of the cervical vertebrae to assess skeletal maturation. It can be used as an alternative to other methods for determining skeletal maturation.
Cephalometric analysis
• This analysis is based on five points on the face – Nasion (Na), Sella (S), Menton (Me), Go (Gonion), and Articulare (Ar). These points are used to study the facial height relationships and predict the growth pattern in the lower half of the face.
• Cephalometric radiographs can be used to assess skeletal maturation without the need for additional hand-wrist radiographs, which can reduce radiation exposure.

REFERENCE
Gurkeerat-Singh-Textbook-Of-Orthodontics-2Nd-Edition.Chapter 18-Page 209.
Systemic Review-Validity of the assessment method of skeletal maturation by cervical vertebrae- a systemic review and meta-analysis-Cercato-Dentomaxillofacial Radiology 2015.

ANSWER
50 gm

OTHER OPTIONS
Not applicable

SYNOPSIS
• Tipping is the simplest type of tooth movement where a single force is applied to the crown, which results in movement of crown in the direction of force and root in opposite direction.
• It is simplest among tooth movements.
• Controlled tipping occurs when tooth tips about a centre of rotation at its apex.
• Uncontrolled tipping is when tooth movement occurs about a centre of rotation apical and very close to centre of resistance.
• A 50 gm force directed lingually and perpendicular to the long axis of the tooth produced 0.17152 N per mm2 compressive stress at the cervical margin on the lingual side and tensile stresses 0.024357 N per mm2 at the cervical margin on the labial surface.

REFERENCE
Orthodontic Force Distribution – A Three dimensional Finite Element Analysis by Hemanth M and Siddharth D Lodaya.

ANSWER
Angle

OTHER OPTIONS
Refer synopsis.

SYNOPSIS
• Mandibular fractures occurs mainly due to trauma.
• The most common sites for the mandible to fracture are the condyle, the angle and the symphysis.
• Condylar fracture is the most common site of fracture which accounts for around 29.1 percent.
• Angle fracture is seen in around 24.5 percent people followed by symphysis fracture seen in around 22 percent individuals.
• Body fracture is seen in 16 percent, alveolar fracture in 3.1 percent and coronoid fracture is seen in 1.3 percent individuals.
• 1.7 percent people might show ramus fracture.

REFERENCE
Contemporary Oral and Maxillofacial Surgery St. Louis, Mosby, 2013 – 6th Edition.

ANSWER
Splints

OTHER OPTIONS
• Obturators – The obturators are prostheses used to close palatal defects after maxillectomy, to restore masticatory function, and to improve speech.
• Speech aids – Speech aids are a means of helping people to communicate when they have severe difficulties with speech and language.

SYNOPSIS
• A splint is a rigid or flexible device-aid used to support, protect, and immobilize teeth that have been weakened (endodontically or periodontally), traumatized, replanted, or fractured.
• Splints are categorized as
• Rigid splints,Nonrigid-semirigid-flexible splints.
• Types of rigid and semirigid splints.
• Rigid splints – Suture splints, Arch bar splints, Acrylic splints, Composite splints.
• Semirigid splints – Orthodontic brackets and arches, Wire and composite splints.

REFERENCE
The Basics of Splinting in Dentoalveolar Traumatology-By Naida Hadziabdic- Maxillofacial Surgery and Craniofacial Deformity – Practices and Updates.2019.

ANSWER
Less scar contraction

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Z-plasty is a plastic surgery technique used to improve the functional and cosmetic appearance of scars.
• This technique is indicated when there is hypertrophy of the frenum with a low insertion, which is associated with an inter-incisor diastema, and when the lateral incisors have appeared without causing the diastema to disappear and also in cases of a short vestibule.
• With this technique, it is possible to redirect a scar into better alignment with a natural skin fold or the lines of least skin tension.

REFERENCE
Labial Frenectomy through Z Plasty-Aparna Agarwal, Rahul Kapahi-Journal of Clinical and Diagnostic Research. 2012

ANSWER
IgE antibodies

OTHER OPTIONS
• IgG or IgM antibodies – Type II is caused by cytotoxic reaction mediated by IgG or IgM antibodies.
• Immune complex mediated – Type III is reaction mediated by immune complexes.
• Cell mediated – Type IV is delayed reaction mediated by cellular response.

SYNOPSIS
• Hypersensitivity is immune and inflammatory responses that are harmful to the host.
• Type 1 hypersensitivity is IgE mediated.
• Antigen induces cross linking of IgE bound to mast cells and basophils with release of vasoactive mediators.
• It occurs immediately after contact with allergens or antigens.
• Response to the antigen occurs in two stages – the sensitization and the effect stage.
• In the sensitization stage, the host experiences an asymptomatic contact with the antigen.
• Subsequently, in the effect period, the pre-sensitized host is reintroduced to the antigen, which then leads to a type I anaphylactic or atopic immune response.
• Typical manifestations include systemic anaphylaxis, localized anaphylaxis such as hay fever, asthma, hives, food allergies and eczema.

REFERENCE
Type I Hypersensitivity Reaction by National Library of Medicine.

ANSWER
Mandibular retrognathism

OTHER OPTIONS
• Not applicable

SYNOPSIS
• The SNB angle is used to assess the anteroposterior position of the mandible in relation to the cranial base.
• A normal SNB angle typically ranges from 78° to 82°.
• An SNB angle less than 78° indicates mandibular retrognathism, meaning the mandible is positioned posteriorly relative to the cranial base.
• An SNB angle greater than 82° suggests mandibular prognathism, which is seen in Class III malocclusion.
• In this case, the SNB angle of 72° indicates mandibular retrusion, consistent with Class II skeletal pattern.

REFERENCE
Proffit WR, Fields HW, Sarver DM. Contemporary Orthodontics. 6th ed. Elsevier; 2018.

ANSWER
Herpangina

OTHER OPTIONS
• Hand-Foot-Mouth Disease – Hand-Foot-Mouth Disease (caused by Coxsackievirus A16) presents with oral ulcers along with vesicular eruptions on the hands and feet, which are absent in this case.
• Streptococcal pharyngitis – Streptococcal pharyngitis causes a sore throat and fever, but it is associated with erythema, exudates, and swollen tonsils, without vesicular lesions.

SYNOPSIS
• Herpangina is an acute viral infection caused primarily by Coxsackievirus A and sometimes Coxsackievirus B.
• It presents with sudden onset of fever, sore throat, dysphagia, and multiple vesicular lesions on the soft palate, tonsillar pillars, and posterior pharynx.
• Unlike primary herpetic gingivostomatitis, herpangina does not involve the gingiva or lips.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 4th ed. Elsevier; 2016.

ANSWER
Pemphigus vulgaris

OTHER OPTIONS
• Oral Lichen Planus – Oral lichen planus (OLP) can also present with desquamative gingivitis, but it typically shows Wickham’s striae (reticular pattern) and has a negative Nikolsky sign.
• Erythema multiformae – Erythema multiforme is an acute condition with target lesions on the skin and widespread mucosal ulcerations, which are not seen in this case.
• Chronic Periodontitis – Chronic periodontitis is associated with plaque, calculus, and bone loss, which are not prominent features here.

SYNOPSIS
• Desquamative gingivitis (DG) is a clinical term describing chronic erythema, ulceration, and peeling of the gingival epithelium.
• The most common causes of DG are mucocutaneous autoimmune disorders, including pemphigus vulgaris, mucous membrane pemphigoid, and oral lichen planus.
• Pemphigus vulgaris is characterized by autoantibodies against desmosomal proteins (desmoglein 1 and 3), leading to intraepithelial blistering.
• A positive Nikolsky sign (shearing of the epithelium upon slight pressure) strongly suggests pemphigus vulgaris.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 4th ed. Elsevier; 2016.

ANSWER
Knee to Knee position

OTHER OPTIONS
• Not applicable

SYNOPSIS
• The knee-to-knee position is commonly used for infants and toddlers to allow better visualization and control while the caregiver holds the child.

REFERENCE
Cameron AC, Widmer RP. Handbook of Pediatric Dentistry. 5th ed.

ANSWER
The day before the next scheduled hemodialysis session

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• Hemodialysis patients have an increased risk of bleeding due to heparinization during dialysis.
• The best time for elective dental procedures (including RCT) is on a non-dialysis day, preferably the day before dialysis, so that any systemic complications or drug clearance issues can be managed effectively.
• Performing treatment on the same day after dialysis risks prolonged bleeding due to the residual anticoagulant effect.
• Dialysis on the same day is not ideal because the patient may experience complications, and any systemic absorption of medications will be altered by dialysis

REFERENCE
Little JW, Miller CS, Rhodus NL. Dental Management of the Medically Compromised Patient. 9th ed. Elsevier; 2017.

ANSWER
Surgical excision and biopsy

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• Compound odontoma is a benign odontogenic tumor consisting of multiple small tooth-like structures.
• It is often asymptomatic and discovered incidentally on radiographs.
• Chemotherapy and radiotherapy are not needed, as odontomas are benign.
• Root canal treatment is not necessary unless adjacent teeth are affected

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 4th ed. Elsevier; 2016.

ANSWER
Hodgkin’s lymphoma

OTHER OPTIONS
• Non-Hodgkin’s lymphoma – NHL does not characteristically show Reed-Sternberg cells.
• Burkitt’s lymphoma – It is associated with Epstein-Barr virus (EBV) and presents with aggressive jaw involvement in endemic cases.
• Multiple myeloma involves plasma cells and does not exhibit Reed-Sternberg cells.

SYNOPSIS
• Reed-Sternberg (RS) cells are large binucleated or multinucleated cells with prominent nucleoli, classically seen in Hodgkin’s lymphoma (HL).
• HL typically presents with painless lymphadenopathy, fever, weight loss, and night sweats.

REFERENCE
Kumar V, Abbas AK, Aster JC. Robbins and Cotran Pathologic Basis of Disease. 10th ed. Elsevier; 2020.

ANSWER
Removal of the causative factor and placement of a permanent restoration

OTHER OPTIONS
• Direct pulp capping – It is only indicated if there is a small pulp exposure.
• Root canal therapy – It is unnecessary unless the pulp becomes irreversibly damaged.
• Extraction – It is not required for a restorable tooth.

SYNOPSIS
• Reversible pulpitis is a mild inflammation of the pulp that occurs due to caries, exposed dentin, or recent dental work.
• The pain is short-lasting and stimulus-dependent.
• Treatment involves eliminating the irritant (e.g., caries removal, placing a restoration, or desensitizing agents if due to exposed dentin).

REFERENCE
Hargreaves KM, Berman LH. Cohen’s Pathways of the Pulp. 12th ed. Elsevier; 2020.

ANSWER
Necrotizing sialometaplasia

OTHER OPTIONS
• Aphthous ulcer – Aphthous ulcers are typically smaller, more superficial, and located on non-keratinized mucosa.
• Primary Syphilitic chancre – Primary syphilitic chancres present as painless ulcers with a clean base, unlike the painful presentation of NS.

SYNOPSIS
• Necrotizing sialometaplasia (NS) is a self-limiting, benign inflammatory condition of the minor salivary glands, often misdiagnosed as malignancy due to its ulcerative appearance.
• It frequently occurs on the posterior hard palate, typically after ischemic injury (e.g., trauma, local anesthesia, or thermal injury).
• Unlike squamous cell carcinoma (SCC), NS heals spontaneously within 6-8 weeks without requiring surgical intervention.

REFERENCE
Greenberg MS, Glick M, Ship JA. Burket’s Oral Medicine. 12th ed.

ANSWER
Surgical excision along with removal of the associated minor salivary gland

OTHER OPTIONS
• Incision and drainage – Simple incision and drainage is ineffective because it does not remove the source of mucous accumulation.
• Corticosteroids – Corticosteroids are not indicated, as the lesion is not inflammatory or immune-mediated

SYNOPSIS
• Mucocele is a salivary gland disorder caused by the rupture of a minor salivary gland duct, leading to mucous extravasation into the surrounding tissues.
• Common sites include the lower lip, followed by the buccal mucosa and floor of the mouth (ranula).
• Small mucoceles may resolve spontaneously, but recurrent or persistent lesions require surgical excision.
• The best approach is surgical excision with removal of the involved minor salivary gland lobules to prevent recurrence.

REFERENCE
Greenberg MS, Glick M, Ship JA. Burket’s Oral Medicine. 12th ed.

ANSWER
10

OTHER OPTIONS
• Not applicable

SYNOPSIS
• The maximum allowable dose = MRD x weight of the patient
= 7×60
= 420mg
• Amount of lidocaine in 1 catridge = 1 catridge contains 1.8ml LA
• 1ml contains 20mg lidocaine, so 1.8ml contains 36mg
• Now, no of catridges =420/36 =11.6. Here nearest value is 10

REFERENCE
Malamed SF. Handbook of Local Anesthesia. 7th ed. Elsevier; 2020.

ANSWER
2

OTHER OPTIONS
• Not applicable

SYNOPSIS
• MRD of Lidocaine for children = 4.4 mg/kg
• For a 20 kg child – 20×4.4=88 mg 
• 2% Lidocaine = 20 mg/mL
• Each cartridge (1.8 mL) contains, 20×1.8=36 mg of Lidocaine
• No of catridge = 88/36 = 2.4 catridges

REFERENCE
Malamed SF. Handbook of Local Anesthesia. 7th ed. Elsevier; 2020.

ANSWER
When there is excessive force on a tooth exceeding its adaptive capacity

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Traumatic occlusion occurs when excessive occlusal forces exceed the tooth’s adaptive capacity, leading to damage to the periodontium.
• Primary occlusal trauma occurs when excessive force is applied to a tooth with a normal periodontium.
• Secondary occlusal trauma occurs when normal occlusal forces cause damage due to a weakened periodontium (e.g., due to periodontitis).
• Clinical Signs of Traumatic Occlusion:
Increased tooth mobility
Widening of the PDL space
Fremitus (vibration of teeth during occlusion)
Tooth migration and abfraction lesions

REFERENCE
Carranza FA, Newman MG. Carranza’s Clinical Periodontology. 13th ed.

ANSWER
High pull headgear

OTHER OPTIONS
• Twin Block appliance – Twin Block Appliance is used for Class II malocclusion correction but does not effectively control vertical growth.
• Herbst appliance – Herbst Appliance is primarily used to advance the mandible in Class II cases but does not control vertical facial height.
• Frankel II Appliance – It is a functional regulator for Class II malocclusion, but it does not specifically address vertical growth control.

SYNOPSIS
• Hyperdivergent mandible (skeletal open bite) is characterized by excessive vertical growth of the face, often due to overeruption of molars and clockwise rotation of the mandible.
• The goal of treatment is to control vertical maxillary growth, restrict molar eruption, and reduce mandibular clockwise rotation.
• High-Pull Headgear applies an upward and backward force on the maxilla, limiting downward growth and controlling the occlusal plane.

REFERENCE
Proffit WR, Fields HW, Larson BE, Sarver DM. Contemporary Orthodontics. 6th ed. Elsevier; 2018.

ANSWER
Reception and waiting area, treatment area, and sterilization zone

OTHER OPTIONS
• Not applicable

SYNOPSIS
• A well-planned dental clinic must ensure proper patient care, infection control, and efficiency. The three essential components are
• Reception and Waiting Area:
– First point of contact for patients.
– Should be comfortable and welcoming.
– Includes administrative support, appointment scheduling, and patient records.
• Treatment Area (Operatory)
– Equipped with dental chair, instruments, and diagnostic tools.
– Should be ergonomically designed for dentist and assistant workflow.
– Proper lighting and ventilation are essential.
Sterilization Zone
– Dedicated area for cleaning, disinfecting, and sterilizing instruments.
– Must follow infection control protocols (e.g., autoclave, ultrasonic cleaner).

REFERENCE
Miller CH, Palenik CJ. Infection Control and Management of Hazardous Materials for the Dental Team. 6th ed. Elsevier; 2017.

ANSWER
The patient

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• The patient is the central focus of any healthcare practice, including dentistry.
• The primary goal of a dental clinic is to provide safe, effective, and ethical dental care to patients.
• While the dentist, dental assistant, and front office assistant are essential team members, their roles exist to serve the needs of the patient.
• Patient-centered care emphasizes respect for patient autonomy, safety, and satisfaction.

REFERENCE
Ozar DT, Sokol DJ. Dental Ethics at Chairside: Professional Principles and Practical Applications. 3rd ed. Georgetown University Press; 2018.

ANSWER
Observe and allow spontaneous healing

OTHER OPTIONS
• Buccal Advancement Flap – Suitable for larger (greater than 5 mm) or non-healing OAFs.
• Palatal Flap Closure – Used for recurrent or large defects, not primary management for small OAFs.
• Bone Graft Placement – Used in large bony defects or pre-implant surgeries, not required for a small OAF.

SYNOPSIS
• Oroantral fistula (OAF) is an abnormal communication between the oral cavity and maxillary sinus, commonly occurring after extraction of maxillary posterior teeth.
• Small fistulas (<2–3 mm) often close spontaneously within a few weeks due to natural healing of the sinus membrane.
• For a 2 mm OAF, initial management includes:
- Avoiding nose blowing (to prevent pressure buildup).
- Antibiotic therapy (if needed) to prevent sinus infection.
- Observation for spontaneous closure within 4-6 weeks.

REFERENCE
Peterson LJ, Ellis E, Hupp JR, Tucker MR. Contemporary Oral and Maxillofacial Surgery. 6th ed. Elsevier; 2019.

ANSWER
Implant-supported prosthesis

OTHER OPTIONS
• RPD – Suitable but less stable and less preferred for long-term function.
• FPD – Requires preparation of adjacent teeth, which is not ideal when implants are possible.

SYNOPSIS
• Aspirin (75 mg/day) is a low-dose antiplatelet therapy commonly prescribed for cardiovascular conditions.
• Studies suggest that aspirin does not significantly increase bleeding risk in minor oral surgical procedures, including implant placement (Malik et al., J Oral Maxillofac Surg, 2018).
• An implant-supported prosthesis offers:
Better function and aesthetics compared to removable options.
Prevention of bone resorption due to osseointegration.
No need to prepare adjacent teeth, unlike an FPD.

REFERENCE
Malamed SF. Handbook of Local Anesthesia. 7th ed. Elsevier; 2020.

ANSWER
Use a non-rigid connector (precision attachment) between 15 and 16

OTHER OPTIONS
• Cantilever Design – A single abutment (13 alone) cannot support a long-span FPD, leading to excessive stress and failure.
• Double Abutments – Using 18 as an abutment is risky due to its variable root morphology and increased stress on the distal segment.
• Increasing Occlusal Table Width – Wider occlusal tables increase occlusal forces, leading to higher torque on abutments and failure risk

SYNOPSIS
• A long-span FPD replacing 14 and 17 places high stress on the abutments (13 and 16) due to differential movement and bending forces.
• A non-rigid connector (precision attachment) between 15 and 16 allows independent movement of anterior and posterior segments, reducing stress concentration.
• This design prevents debonding or fracture of the prosthesis by allowing a slight flexing motion.

REFERENCE
Rosenstiel SF, Land MF, Fujimoto J. Contemporary Fixed Prosthodontics. 6th ed. Elsevier; 2022.

ANSWER
Reduce the extra cusp gradually and place a protective restoration

OTHER OPTIONS
• Perform direct pulp capping and monitor – Direct Pulp Capping is only considered if pulp exposure has already occurred. Preventive measures should be prioritized.
• Extract the tooth to prevent future complications – Not necessary unless there is severe pain, infection, or non-restorable pulp damage.
• Leave it untreated and advise the patient to avoid hard foods – Increases the risk of cusp fracture, pulp exposure, and infection over time.

SYNOPSIS
• Dens evaginatus is a developmental anomaly where an extra cusp-like projection forms on the occlusal surface, often containing pulp tissue.
• The risk of pulp exposure is high if the extra cusp fractures or wears down due to occlusal forces.
• Gradual occlusal reduction with periodic fluoride application allows dentin deposition (tertiary dentin formation), preventing pulp exposure.
• A protective resin-based restoration (sealant or composite) prevents further wear and pulp involvement.

REFERENCE
Neville BW, Damm DD, Allen CM, Chi AC. Oral and Maxillofacial Pathology. 4th ed. Elsevier; 2016

ANSWER
Internal root resorption

OTHER OPTIONS
Not applicable

SYNOPSIS
• Calcium hydroxide is commonly used endodontics due to its antimicrobial effect and potential to stimulate mineralized repair of pulp and periapical tissues.
• But calcium hydroxide is less used in primary teeth because it can cause chronic pulpal inflammation and internal root resorption.
• Chronic inflammation influence macrophages to fuse to form odontoblasts which starts resorption.

REFERENCE
Article on Calcium Hydroxide Induced Resorption of Deciduous teeth – Possible Explanation.

ANSWER
Myofacial pain

OTHER OPTIONS
● Internal derangement of TMJ without reduction – This condition typically presents with a hard-end feel and a severe mechanical restriction, usually limited to approximately 25–30 mm. Because the disc is permanently displaced and blocking the condyle, the mouth cannot be significantly opened further even with force.
● Internal derangement of TMJ with reduction – While this involves pain and clicking, it does not typically limit the maximum opening to this extent unless there is an acute locking episode.
● Subluxation of TMJ – This refers to the joint hypermobility where the condyle moves too far forward (beyond the articular eminence). This results in an excessive opening (often more than 50 mm) or the jaw getting stuck in an open position

SYNOPSIS
● In cases of myofascial pain, the restriction in opening is caused by muscle tension or spasms rather than a structural blockage within the joint.
● An initial comfortable opening of 30 mm followed by a maximum assisted opening of 44 mm indicates that the joint itself is capable of a near-normal range of motion (normal is typically 40–55 mm). 
● The 14 mm difference between pain-free and maximum opening strongly suggests a muscular limitation rather than a mechanical one.

REFERENCE
Peterson’s Principles of Oral and Maxillofacial Surgery – 7th Edition

ANSWER
0.04mg

OTHER OPTIONS
• Not applicable

SYNOPSIS
• Cardiac patients, particularly those with recent myocardial infarction, should receive minimal doses of epinephrine due to the risk of cardiac arrhythmias, hypertension, and increased myocardial oxygen demand.
• The American Heart Association (AHA) and American Dental Association (ADA) recommend that for patients with significant cardiovascular disease, the maximum dose of epinephrine should not exceed 0.04 mg per appointment.

REFERENCE
Malamed SF. Handbook of Local Anesthesia, 7th Edition. Elsevier, 2020.

ANSWER
Class III, Position C

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• The Pell and Gregory classification assesses impacted mandibular third molars based on two parameters
1. Class I, II, III – Relationship to the anterior border of the mandibular ramus.
– Class I: Entire crown is anterior to the ramus.
– Class II: Partially covered by the ramus.
– Class III: Entire crown is within the ramus.
2. Position A, B, C – Depth relative to the adjacent second molar
– Position A: At the same level as the occlusal plane of the second molar.
– Position B: Between the occlusal plane and cervical line of the second molar.
– Position C: Below the cervical line of the second molar.
• In this case, the tooth is completely within the ramus so Class III.
• The occlusal surface is below the cervical line of the second molar so Position C.
• Thus, it is classified as Class III, Position C.

REFERENCE
Peterson LJ, Ellis E, Hupp JR, Tucker MR. Contemporary Oral and Maxillofacial Surgery, 7th Edition, Elsevier, 2019.

ANSWER
Stage III, Grade B

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• Staging reflects severity and extent of periodontal destruction
Stage I – CAL 1-2 mm, coronal third bone loss (less than 15 percent), no tooth loss.
Stage II – CAL 3-4 mm, coronal third bone loss (15-33percent), no tooth loss.
Stage III – CAL greater than or equal to 5 mm, bone loss extending to mid-third of the root and beyond, possible tooth loss due to periodontitis, potential for complex rehabilitation.
Stage IV – Extensive tooth loss and masticatory dysfunction
• In this case,CAL of 4-5 mm is border between Stage II and Stage III.But bone loss to mid-third of root suggests Stage III.
• Grading reflects rate of progression and risk factors (e.g., smoking, diabetes)
Grade A – Slow progression (no risk factors).
Grade B – Moderate progression (less than 10 cigarettes per day or HbA1c less than 7 in diabetics).
Grade C – Rapid progression (more than 10 cigarettes/day or HbA1c greater than or equal to 7).
• In this case smokes half a pack per day (approx 10 cigarettes per day) fits Grade B.

REFERENCE
Tonetti MS, Greenwell H, Kornman KS. Staging and grading of periodontitis: Framework and proposal of a new classification and case definition. J Periodontol. 2018;89(Suppl 1):S159-S172.

ANSWER
Curettage of the bony walls to induce bleeding

OTHER OPTIONS
• Surgical enucleation and bone grafting – Bone grafting is not necessary unless the defect is very large.
• Observation only, no intervention needed – Observation without intervention is not preferred because the diagnosis must be confirmed surgically, and curettage promotes healing.
• Extraction of associated teeth and curettage – Extraction is not indicated because the teeth are healthy and unrelated to the cause.

SYNOPSIS
• A traumatic bone cyst (TBC), also known as a simple bone cyst, is not a true cyst because it lacks an epithelial lining.
• It is usually discovered incidentally on radiographs in younger individuals, especially in the posterior mandible.
• The standard treatment is surgical exploration and curettage of the bony cavity walls.
• The goal of curettage is to induce bleeding into the cavity, which then leads to new bone formation and healing.

REFERENCE
Marx RE, Stern D. Oral and Maxillofacial Pathology: A Rationale for Diagnosis and Treatment, 2nd Edition, Quintessence Publishing, 2012.

ANSWER
Poor control

OTHER OPTIONS
• Refer Synopsis

SYNOPSIS
• HbA1c (Glycated Hemoglobin) reflects the average blood glucose level over the past 3 months.
• According to the American Diabetes Association (ADA)
– Less than 5.7 – Normal (non-diabetic)
– 5.7-6.4 – Prediabetes
– Greater than or equal to 6.5 – Diagnostic for diabetes
– Less than 7 – Goal for good control in diabetics
– 7-8 – Fair control (may be acceptable depending on patient factors)
– Greater than 8 – Poor control

REFERENCE
American Diabetes Association. Standards of Medical Care in Diabetes-2024. Diabetes Care. 2024,47(Suppl 1)S1-S210.