Abfraction
Dental Diseases- What is the proposed mechanism of abfraction?
- How do you differentiate abfraction from abrasion?
- What is the role of occlusal splints?
Answer material →Actinic Cheilitis
Premalignant Disorders- How does actinic cheilitis differ from cheilitis?
- What are the indications for vermilionectomy?
- Rate of malignant transformation?
Answer material →Adenomatoid Odontogenic Tumour
Odontogenic Tumors- Why is AOT called the 'two-thirds tumour'?
- How do you differentiate AOT from a dentigerous cyst radiographically?
- Histological features of AOT.
- Treatment of AOT.
- Recurrence rate.
- Variants of AOT.
- Origin of AOT.
- Differential diagnosis of pericoronal radiolucency.
- IHC of AOT.
- Age and sex predilection.
- Short note: Adenomatoid odontogenic tumour.
- Short essay: Two-thirds tumour.
- Discuss the differential diagnosis of a pericoronal radiolucency associated with an impacted maxillary canine.
Answer material →Ameloblastoma
Odontogenic Tumors- Vickers and Gorlin criteria for ameloblastoma diagnosis?
- Compare enucleation and resection outcomes.
Answer material →Amelogenesis Imperfecta
Developmental Disorders- What genes are implicated in AI?
- How do you differentiate AI from fluorosis?
- Describe the Witkop classification.
Answer material →Aneurysmal Bone Cyst
Non-odontogenic Cysts- Define aneurysmal bone cyst.
- Why has it been reclassified as a neoplasm?
- What is USP6 and its clinical relevance?
- Difference between primary and secondary ABC.
- Classic MRI finding?
- Histological hallmarks?
- Differential diagnoses?
- Treatment options and adjuvants?
- Role of denosumab and embolisation?
- Recurrence rates by treatment modality?
- How would you differentiate ABC from telangiectatic osteosarcoma?
- Long essay: Aneurysmal bone cyst — pathogenesis, features, diagnosis, and management.
- Short essay: Fluid–fluid levels on MRI in bone lesions.
- Short note: USP6 gene in ABC.
- Discuss the WHO reclassification of ABC and its clinical implications.
- Compare curettage, embolisation, sclerotherapy and denosumab in the management of ABC.
- Discuss reconstruction of a segmental mandibular defect following ABC resection.
Answer material →Attrition
Dental Diseases- How does attrition differ from erosion?
- What is the role of occlusal splints?
- When is restorative intervention required?
Answer material →Behçet Disease
Ulcerative Diseases- What are the ISG criteria?
- What is pathergy?
- Describe the ocular complications.
Answer material →Burkitt Lymphoma
Malignant Tumors- What is starry-sky appearance?
- Endemic vs sporadic BL?
- What is tumour lysis syndrome?
Answer material →Cemento-osseous Dysplasia
Fibro-osseous Lesions- Differentiate COD from periapical cyst.
- Why avoid biopsy in florid COD?
- Which population is affected?
Answer material →Cementoblastoma
Odontogenic Tumors- Define cementoblastoma.
- Why is it considered a true neoplasm?
- Radiographic hallmarks.
- Histology.
- Treatment.
- Recurrence rate.
- Differential from cemento-osseous dysplasia.
- IHC markers.
- Most common site.
- Sex predilection.
- Short note: Cementoblastoma.
- Short note: Fibro-cemento-osseous lesions.
- Discuss the classification and management of cemental lesions of the jaws.
Answer material →Cervicofacial Actinomycosis
Maxillofacial Infections- What are sulphur granules?
- Why prolonged antibiotics?
- Differentiate from TB.
Answer material →Cervicofacial Necrotising Fasciitis
Maxillofacial Infections- Types of NF?
- LRINEC score?
- Why clindamycin?
Answer material →Chondrosarcoma of the Jaws
Malignant Tumors- Chondrosarcoma vs osteosarcoma?
- What is Garrington sign?
- Role of chemotherapy?
Answer material →Cleft Lip & Palate Repair
Maxillofacial Surgery- Describe the Millard technique.
- When is alveolar bone grafting done and why?
- What is Furlow palatoplasty?
Answer material →Cleft Lip and Palate
Developmental Disorders- When is cleft lip repair performed?
- What is Veau classification?
- Describe the embryology of cleft palate.
Answer material →Cleidocranial Dysplasia
Developmental Disorders- Which gene is mutated in cleidocranial dysplasia?
- Name three dental manifestations of CCD.
- Outline the Toronto protocol for management.
Answer material →Condylar Hyperplasia
TMJ Disorders- Differentiate hemimandibular elongation and hyperplasia.
- How do you determine activity?
- Role of high condylectomy?
Answer material →Deep Neck Space Infections
Maxillofacial Infections- Boundaries of pterygomandibular space?
- Danger space?
- Cavernous sinus thrombosis route?
Answer material →Dental Caries
Dental Diseases- Describe Keyes' triad
- Compare ICDAS and G.V. Black classifications
Answer material →Dental Erosion
Dental Diseases- How do you differentiate erosion from attrition?
- What is the BEWE index?
- What dietary advice would you give?
Answer material →Dental Implantology
Maxillofacial Surgery- Define osseointegration.
- Contraindications to implants?
- Peri-implantitis management?
Answer material →Dentinogenesis Imperfecta
Developmental Disorders- What is the genetic basis of DI?
- How does DI differ from DD?
- Describe radiographic features of DI.
Answer material →Dento-alveolar Trauma
Trauma- Describe management of avulsed permanent incisor.
- What is Cvek pulpotomy?
- Types of root resorption?
Answer material →Distraction Osteogenesis
Maxillofacial Surgery- What are the phases of DO?
- Advantages over conventional osteotomy?
- Indications in the maxillofacial region?
Answer material →Epulis Fissuratum
Soft Tissue Lesions- What causes epulis fissuratum?
- How do you manage it?
- What would you expect on histology?
Answer material →Erythema Multiforme
Vesiculobullous Diseases- What is the histology of EM?
- Differentiate EM from SJS.
- How do you prevent recurrence?
Answer material →Erythematous (Atrophic) Candidiasis
Red Lesions- Define erythematous candidiasis.
- Name subtypes.
- What is Newton's classification of denture stomatitis?
- How is it distinguished from erythroplakia?
- Role of denture hygiene.
- Systemic causes to investigate.
- Short note: Denture stomatitis.
- Describe the aetiology, clinical features and management of erythematous candidiasis (10 marks).
- Discuss the role of Candida species in oral potentially malignant disorders.
Answer material →Erythroplakia
Red Lesions- Define erythroplakia.
- Why is it more dangerous than leukoplakia?
- What is the commonest histological finding?
- How is it managed?
- Name three differentials for a red mucosal patch.
- What is erythroleukoplakia?
- What is toluidine blue staining and its use here?
- What is field cancerisation?
- Compare and contrast leukoplakia and erythroplakia (10 marks).
- Short note: Erythroplakia.
- Discuss oral potentially malignant disorders with special reference to erythroplakia — molecular basis, clinical evaluation, and evidence-based management.
Answer material →Geographic Tongue
Red Lesions- Define geographic tongue.
- What is the histological hallmark?
- Association with psoriasis?
- How do you reassure a patient?
- Name differentials.
- Is it premalignant?
- Short note: Geographic tongue.
- Describe benign migratory glossitis — features, diagnosis and management.
- Discuss the differential diagnosis of red patches on the tongue with emphasis on geographic tongue.
Answer material →Haemangioma
Benign Tumors- Haemangioma vs vascular malformation?
- Mechanism of propranolol?
- What is Kasabach–Merritt syndrome?
Answer material →Hemifacial Microsomia
Developmental Disorders- What is the Pruzansky classification?
- Differentiate HFM from Goldenhar syndrome.
- What is the role of distraction in HFM?
Answer material →HPV-associated Oropharyngeal SCC
Oral Cancer- Why is p16 a surrogate for HPV?
- Staging difference in AJCC 8?
- Role of HPV vaccination in prevention?
Answer material →Kaposi Sarcoma
Malignant Tumors- Aetiological agent of KS?
- Four clinical variants?
- Treatment of AIDS-KS?
Answer material →Lateral Periodontal Cyst
Odontogenic Cysts- Differentiate LPC from lateral radicular cyst.
- What is the botryoid odontogenic cyst?
- Histologic hallmarks of LPC?
- Recurrence in botryoid variant?
- Most common site of LPC?
- Origin of LPC?
- Which cells are PAS-positive?
- Radiographic differential for interradicular radiolucency?
- Treatment of LPC?
- Follow-up protocol?
- Short note: Lateral periodontal cyst.
- Short note: Botryoid odontogenic cyst.
- Discuss the classification and management of lateral radiolucencies of the mandible with emphasis on developmental cysts.
Answer material →Le Fort Fractures
Trauma- Describe the three Le Fort levels.
- Approach to CSF rhinorrhoea?
- Facial buttresses to reconstruct?
Answer material →Leukoedema
White Lesions- Define leukoedema.
- What is the pathognomonic clinical sign?
- Which populations are predisposed?
- Describe histopathology.
- Differentiate from white sponge nevus.
- Does it need treatment?
- Short note: Leukoedema — clinical features and differential diagnosis.
- Discuss developmental white lesions of the oral mucosa with emphasis on differential diagnosis of leukoedema.
Answer material →Leukoplakia
White Lesions- Define leukoplakia per WHO 2005.
- Which type has the highest malignant transformation rate?
- How do you biopsy a large heterogeneous leukoplakia?
- What is PVL and why is it dangerous?
- Name three histological features of epithelial dysplasia.
- How does leukoplakia differ from candidiasis clinically?
- What are the WHO 2022 changes to dysplasia grading?
- Enumerate treatment options.
- What is field cancerisation?
- Name molecular markers predicting transformation.
- Define leukoplakia. Classify and describe clinical features, histopathology and management of oral leukoplakia (10 marks).
- Short note: Proliferative verrucous leukoplakia.
- Discuss the concept of oral potentially malignant disorders, molecular basis of malignant transformation in leukoplakia, and evidence for chemoprevention.
- Critically evaluate CO2 laser vs cold-knife excision for dysplastic leukoplakia.
Answer material →Median Rhomboid Glossitis
Red Lesions- Define MRG and give its site.
- Current understanding of aetiology?
- Why was it previously thought developmental?
- What is a kissing lesion?
- Histopathological pitfalls?
- Treatment of choice.
- Short note: Median rhomboid glossitis.
- Discuss the histopathological differential of a midline dorsal tongue lesion, including pseudo-epitheliomatous hyperplasia mimicking SCC.
Answer material →Medication-Related Osteonecrosis of the Jaws
Bone Diseases- AAOMS diagnostic criteria?
- Drug holiday — evidence?
- Preventive protocol before IV bisphosphonate?
Answer material →Mucocele
Soft Tissue Lesions- Differentiate extravasation from retention mucocele.
- What is the treatment?
- Why does it recur?
Answer material →Mucoepidermoid Carcinoma
Salivary Gland Disorders- Diagnostic translocation of MEC?
- Grading criteria?
- Approach to parotid MEC?
Answer material →Mucous Membrane Pemphigoid
Vesiculobullous Diseases- Differentiate MMP from pemphigus vulgaris.
- What is symblepharon?
- Describe the DIF findings.
Answer material →Mumps (Epidemic Parotitis)
Salivary Gland Disorders- Complications of mumps?
- How does it differ from suppurative parotitis?
- Vaccination schedule?
Answer material →Nasolabial Cyst
Non-odontogenic Cysts- Define nasolabial cyst.
- What are the theories of origin?
- Why does the ala nasi lift?
- How do you differentiate from a radicular cyst of the canine?
- Histological lining?
- Imaging modality of choice?
- Surgical approaches and their pros/cons?
- Recurrence rate?
- What is Klestadt's contribution?
- Is malignant transformation known?
- Short essay: Nasolabial cyst — pathogenesis, features, and management.
- Short note: Differences between nasolabial and nasopalatine cyst.
- Short note: Fusion cysts of the face.
- Compare open sublabial excision with endoscopic transnasal marsupialisation for nasolabial cyst.
- Discuss the embryology of facial development and its relevance to fissural cysts.
Answer material →Nasopalatine Duct Cyst
Non-odontogenic Cysts- Define nasopalatine duct cyst.
- What is the embryological origin?
- Why does the radiograph appear heart-shaped?
- How do you differentiate from a radicular cyst?
- What is the minimum size that suggests pathology over normal foramen?
- Describe the histological lining.
- Which structure lies within the cyst wall?
- Surgical approach and its complications?
- Why is transient palatal numbness expected?
- Recurrence rate?
- Malignant potential?
- How would you manage an infected nasopalatine cyst?
- Short essay: Nasopalatine duct cyst — aetiology, features, differential and management.
- Short note: Radiographic differential of anterior maxillary midline radiolucency.
- Short note: Neurovascular bundle in nasopalatine cyst wall.
- Discuss the embryological basis, imaging, histopathology and management of non-odontogenic cysts of the jaws.
- Compare radicular cyst and nasopalatine cyst.
- Surgical approaches to the anterior maxilla and management of complications.
Answer material →Odontogenic Keratocyst
Odontogenic Cysts- Why was OKC renamed KCOT and then renamed back?
- Which gene is mutated?
- Describe histopathology of OKC.
- Why is recurrence high?
- Diagnostic criteria for Gorlin–Goltz syndrome.
- Composition of Carnoy's solution — old vs modified.
- Aspiration findings in OKC vs radicular cyst.
- Marsupialisation — indications and technique.
- How does OKC differ from dentigerous cyst radiographically?
- IHC markers for OKC.
- Role of vismodegib.
- Radiographic differential of multilocular mandibular radiolucency.
- Follow-up protocol.
- Why is peripheral ostectomy performed?
- What is a satellite cyst?
- Discuss malignant transformation.
- Complications of Carnoy's solution.
- Long essay: Odontogenic keratocyst — aetiology, pathogenesis, clinical, radiographic and histopathological features, management and recurrence.
- Short essay: Gorlin–Goltz syndrome.
- Short note: Carnoy's solution.
- Short note: Marsupialisation.
- Discuss the molecular basis of OKC and Gorlin–Goltz syndrome and its implications for targeted therapy.
- Evidence-based comparison of surgical modalities for OKC — recurrence and morbidity.
- A 22-year-old female presents with multiple jaw radiolucencies. Discuss investigation and management.
Answer material →Odontogenic Myxoma
Odontogenic Tumors- Origin of odontogenic myxoma.
- Radiographic patterns.
- Why does it recur after curettage?
- Histology of myxoma.
- Aspiration findings.
- Differential of multilocular radiolucency.
- Treatment options.
- Reconstruction after segmental resection.
- Follow-up protocol.
- MRI features.
- Difference between myxoma and myxofibroma.
- Sex and age predilection.
- Complications of surgery.
- Recurrence rate.
- Long essay: Differential diagnosis and management of multilocular radiolucencies of the mandible.
- Short note: Odontogenic myxoma.
- Discuss the surgical management and reconstruction options for a 4 cm odontogenic myxoma of the posterior mandible.
Answer material →Odontoma
Odontogenic Tumors- Classify odontomas.
- Why is odontoma considered a hamartoma?
- Radiographic differential of a mixed radiolucent-radiopaque lesion?
- Components of Gardner syndrome.
- Which gene is mutated in Gardner syndrome?
- Difference between compound and complex odontoma.
- Management of an odontoma with impacted permanent tooth?
- What is dens invaginatus vs dilated odontome?
- Recurrence rate of odontoma?
- Histological components of odontoma?
- Long essay: Odontogenic tumours — classification and management with focus on odontoma.
- Short note: Gardner syndrome.
- Short note: Compound vs complex odontoma.
- Discuss WHO 2022 classification of odontogenic tumours and current concepts on the hamartomatous nature of odontoma.
Answer material →Oral Candidiasis
White Lesions- Classify oral candidiasis (Holmstrup–Axéll).
- How do you differentiate candidiasis from leukoplakia clinically?
- Describe the histopathological features.
- Name predisposing factors.
- First-line topical antifungal and dose.
- What is denture stomatitis and Newton's classification?
- Which form has malignant potential?
- Management of angular cheilitis.
- Role of KOH mount.
- Why does inhaled steroid cause candidiasis?
- Classify oral candidiasis. Describe the clinical features, investigations and treatment of denture stomatitis (10 marks).
- Short note: Angular cheilitis.
- Discuss chronic hyperplastic candidiasis as an oral potentially malignant disorder.
- Management of azole-resistant oral candidiasis in HIV patients.
Answer material →Oral Lichen Planus
White Lesions- Define OLP and list Andreasen's 6 types.
- What are Wickham striae?
- Describe histopathology of OLP.
- Difference between OLP and lichenoid reaction.
- Role of direct immunofluorescence in OLP.
- First-line treatment of erosive OLP.
- Malignant transformation risk of OLP.
- What is desquamative gingivitis?
- Name systemic drugs causing lichenoid reactions.
- Skin manifestations of lichen planus (6 Ps).
- Classify OLP. Describe the clinical features, histopathology and management of erosive lichen planus (10 marks).
- Short note: Wickham striae.
- Discuss the immunopathogenesis of oral lichen planus and evidence-based management of steroid-refractory disease.
- Debate the malignant potential of OLP.
Answer material →Oral Lipoma
Benign Tumors- Slip sign?
- MRI fat signal?
- Variants of lipoma?
Answer material →Oral Manifestations of CKD
Systemic Diseases- Why treat the day after dialysis?
- How does CKD cause bone changes in the jaw?
- Which analgesics are safe?
Answer material →Oral Manifestations of HIV/AIDS
Systemic Diseases- List the EC-Clearinghouse Group I lesions.
- How does OHL differ from candidiasis?
- Universal precautions in dental practice?
Answer material →Oral Manifestations of Leukaemia
Systemic Diseases- Pre-chemotherapy dental assessment?
- Why is AML M4/M5 particularly oral?
- Chloroma?
Answer material →Oral Melanoma
Pigmented Lesions- What is the prognosis of oral melanoma?
- How does it differ from cutaneous melanoma?
- Describe the immunohistochemistry.
Answer material →Oral Melanotic Macule
Pigmented Lesions- How do you differentiate from melanoma?
- What is the histology?
- When would you biopsy?
Answer material →Oral Nevus
Pigmented Lesions- Classify oral nevi.
- How do you differentiate from melanoma?
- Describe blue nevus.
Answer material →Oral Schwannoma
Benign Tumors- Antoni A vs B?
- Schwannoma vs neurofibroma?
- Malignant risk?
Answer material →Oral Squamous Cell Carcinoma
Oral Cancer- Define depth of invasion and its prognostic significance.
- Indications for elective neck dissection in cN0 OSCC.
Answer material →Oral Tuberculosis
Ulcerative Diseases- How do you differentiate TB ulcer from SCC?
- Describe the histology.
- What is the ATT regimen?
Answer material →Ossifying Fibroma
Fibro-osseous Lesions- Differentiate OF from fibrous dysplasia.
- Juvenile variants?
- Treatment approach?
Answer material →Osteomyelitis of the Jaws
Bone Diseases- Vincent sign?
- Sequestrum vs involucrum?
- Garrè osteomyelitis?
Answer material →Paget Disease of Bone
Bone Diseases- Biochemical marker of Paget?
- Complications of extractions in Paget?
- Malignant transformation risk?
Answer material →Periapical Abscess
Dental Diseases- How do you differentiate periapical from periodontal abscess?
- What is the significance of a sinus tract?
- When are antibiotics indicated?
Answer material →Peripheral Giant Cell Granuloma
Soft Tissue Lesions- How do you differentiate PGCG from CGCG?
- What systemic condition mimics PGCG?
- Describe the histology.
Answer material →Pleomorphic Adenoma
Salivary Gland Disorders- Why not enucleate?
- Facial nerve anatomy at parotid surgery?
- Signs of malignant transformation?
Answer material →Primary Herpetic Gingivostomatitis
Vesiculobullous Diseases- How do you differentiate PHGS from herpangina?
- What is Tzanck smear?
- Describe the histology.
Answer material →Pulpitis
Dental Diseases- How do you differentiate reversible from irreversible pulpitis?
- What is the pathophysiology of pulpal pain?
- When is pulpotomy indicated?
Answer material →Radicular Cyst
Odontogenic Cysts- Define radicular cyst.
- Which cells give rise to a radicular cyst?
- Describe the three phases of cyst development.
- How do you differentiate a radicular cyst from a periapical granuloma?
- What is a Rushton body?
- List the contents of aspirated cyst fluid.
- Describe Partsch I vs Partsch II operations.
- What is a residual cyst?
- Complications of an untreated radicular cyst?
- Recurrence rate after enucleation?
- When would you choose marsupialisation?
- How does cholesterol accumulate in a radicular cyst?
- Role of RANKL/OPG in cyst enlargement?
- Radiographic differential diagnosis for a periapical radiolucency?
- How is the maxillary sinus involvement managed?
- Antibiotic regimen if infected?
- Long essay: Classify odontogenic cysts. Describe aetiopathogenesis, clinical & radiographic features, and management of radicular cyst.
- Short essay: Rushton bodies.
- Short note: Residual cyst.
- Short note: Marsupialisation vs enucleation.
- Discuss the molecular pathogenesis of inflammatory odontogenic cyst enlargement and evidence-based rationale for surgical vs non-surgical management.
- Compare radicular cyst with OKC in terms of biology, imaging, histology, treatment and recurrence.
- Discuss reconstruction of a large mandibular cystic defect following enucleation.
Answer material →Ranula
Soft Tissue Lesions- What is a plunging ranula?
- Describe treatment options.
- How do you differentiate from dermoid cyst?
Answer material →Recurrent Aphthous Stomatitis
Ulcerative Diseases- Differentiate herpetiform aphthae from herpes simplex.
Answer material →Sjögren Syndrome
Salivary Gland Disorders- ACR/EULAR criteria?
- Focus score?
- Lymphoma risk?
Answer material →Smoker's Melanosis
Pigmented Lesions- What causes smoker's melanosis?
- Is it reversible?
- How do you differentiate from melanoma?
Answer material →Solitary Bone Cyst
Non-odontogenic Cysts- Why is a solitary bone cyst called a pseudocyst?
- Which theory of pathogenesis is most accepted?
- Typical age and site?
- Classic radiographic appearance?
- Are adjacent teeth vital?
- How is diagnosis confirmed?
- How does curettage cure the lesion?
- Differential diagnoses?
- Recurrence rate?
- Difference from Stafne cavity?
- Short essay: Solitary bone cyst — pathogenesis, radiographic features, and management.
- Short note: Traumatic bone cyst.
- Short note: Pseudocysts of the jaws.
- Discuss the classification, pathogenesis, and management of pseudocysts of the jaws.
- Compare solitary bone cyst, aneurysmal bone cyst and Stafne bone cavity.
Answer material →TMJ Ankylosis
TMJ Disorders- Sawhney types?
- Kaban protocol?
- Choice of interpositional material?
Answer material →Torus Palatinus & Mandibularis
Benign Tumors- Gardner syndrome features?
- Surgical approach to remove palatal torus?
- Difference between torus and osteoma?
Answer material →Traumatic Ulcer
Ulcerative Diseases- When would you biopsy a traumatic ulcer?
- How do you differentiate from SCC?
- What is Riga-Fede disease?
Answer material →Verrucous Carcinoma
Oral Cancer- Ackerman tumour?
- Why is neck dissection often omitted?
- Anaplastic transformation?
Answer material →White Sponge Nevus
White Lesions- What is white sponge nevus?
- Genetic basis?
- Age of onset?
- Histological hallmark?
- Differentiate from leukoedema.
- Treatment?
- Short note: White sponge nevus.
- Discuss genetic disorders of oral mucosal keratinisation.
Answer material →Zygomatic Complex Fracture
Trauma- Why is 'tetrapod' more accurate than 'tripod'?
- Approaches for ORIF?
- Indications for orbital floor reconstruction?
Answer material →