01 November, 2008

3rd BDS Oral pathology


1. Classify odontogenic tumours. Describe the pathogenesis, clinical features, radiological appearance and
histopathology of ameloblastoma=9m
2. Write short notes on: 4 x 4 =16m; a) Taurodontism b) Zones of incipient caries c) Pulp polyp
d) Trigeminal neuralgia
3. Write briefly on: 5 x 2=10m; a) Difference between premalignant lesion and premalignant condition
b) Hutchinson’s Triad c) Culture media for candida albicans and tubercule bacilli
d) Tzanck cells e) Auspitz’s sign
4. Enumerate, bone disorders affecting the jaws. Describe the pathogenesis, clinical features, radiological
appearance and histopathology of fibrous dysplasia =9m
5. Write short notes on: 4 x 4 =16m; a) ANUG b) Garre’s osteomyelitis c) Fibroma
d) Histopathology of odontogenic keratocyst
6. Write briefly on: 5 x 2 =10m; a) Isomorphic phenomenon of kobner b) Delayed hypersensitivity
c) Monro’s abscesses d) Dead tracts of Fish e) Pathogenesis of pleomorphic adenoma

OCT-NOV-2005 (N.R.)

1. Describe the pathogenesis, clinical X-Ray appearance of central ossifying fibroma with histological features=9m
2. Write short answers on: 4 x 4 =16marks; a) Proteolytic theory of dental caries b) Cancrum oris
c) Black hairy tongue d) Chronic hyperplasic pulpitis (Pulp polyp)
3. Write briefly on; 5 x 2 =10marks; a) Abrasion b) Barodentalgia c) Reed-Stermberg cell
d) Garre’s osteomyelitis e) Turner’s hypoplasia
4. Describe clinical, histological features of Muco-epidemoid carcinoma =9m
5. Write short notes on: 4 x 4 =16marks; a) Malignant potential of dentigerous cyst
b) Osteopetrosis (Marble bone disease) c) Gardner syndrome d) Cervico-facial actinomycosis
6. Write briefly on: 5 x 2 =10marks; a) Giant cell granuloma b) Sarcoidosis c) Burkitt’s Lymphoma
d) Torus mandibularis e) Cementicles


1. Define and classify Pulpitis. Write in detail the pathogenesis, Clinical features and histopathological features of
Acute Pulpitis =9marks
2. Write short answers on: 4 x 4 =16marks; a) Ludwig’s Angina b) Dentigerous Cyst
c) Contributing factors in Dental caries d) Oral Submucous fibrosis
3. Write briefly on: 5 x 2 =a) Addison’s Disease b) Hemophilia c) ANUG d) Scurvy e) Frey’s Syndrome
4. Enumerate the development disturbances in the formatia of Dentine. Write in detail the clinical types, clinical
features, radiological features and histo-pathological features of Dental Dysplasia =9marks
5. Write short notes on: 4 x 4 =16marks; a) Paget’s Disease b) Mucocele c) Exfoliative Cytology
d) Lacto bacillus count test for Dental Caries
6. Write briefly on: 5 x 2 =10marks; a) Bell’s Palsy b) Cusp of Carabelli c) Bence Jones Protein
d) Koplik’s spots e) Liesegang ring calcification

OCTOBER, 2004.

1. Enumerate the various viral infections affecting the oral cavity. Write in detail the pathogenic clinical features
and oral manifestations of Herpes Simplex Virus =9marks
2. Write short answers on: 4 x 4 =16marks; a) Amelogenesis Imperfecta
b) Healing of the socket following extraction c) Cherubism d) Garre’s Osteomyelitis
3. Write briefly on: 5 x 2 =10marks; a) Dens in Dente b) Papilloma c) Warthin’s tumour
d) Acidogenic theory of Dental caries e) ‘Dead Tracts’ of Dentin
4. Classify salivary gland tumours. Write in detail the pathogenesis, clinical features, histopathological features of
pleomorphic adenoma =9marks
5. Write short notes on: 4 x 4 =16marks; a) Fluorosis b) Osteogenesis Imperfecta
c) Odontogenic Keratocyst d) Histopathology of caries of the camel
6. Write brief: 5 x 2 =a) Concrescence b) Café au lait spots c) Tuberculin Test d) Scurvy e) Grinspan syndrome

APRIL,2003 (N.R.)

1. Define Auto Immune Disease and discuss in detail Pheunprigus. =9marks
2. Write short notes on: 4 x 4 =16marks
a) Fibrous dysplasia b) Odontomes c) Histopathology of squamous cell carcinoma d) Osteomyelitis
3. Briefly: 5 x 2 = a) Attrition b) Acute Pulpal pain c) Ankyloglosia d) PINK tooth e) Denture sore mouth
4. Discuss in detail Microbiology of Dental Caries. 9marks
5. Short:a) Histopathology of Leukoplakia b)Histopathology of paget’s disease c)ANUG d)Periapical Granuloma
6. Write briefly on: 5 x 2 = a) Congenital syphilis b) Bell’s palsy c) Oral Manifestations of AIDS d) Scurvy e) Trigeminal neuralgia


1. Classify Odontogenic cyst and discuss in detail Dentigerous cyst =9marks
2. Short: 4 x 4 =a)Cherubism b)Histopathology of Squamous Cell carcinoma c) Hypercementosis d) Xerostomia
3. Briefly: 5 x 2=a) Rampant Caries b) Fordyce granules c) Cyclic neutropenia d) Fibroma e) Turner’s Tooth
1. Discuss the Acidogenic theory of Dental Caries =9marks
2. Write short answers on: 4 x 4 =a) Hyper Parathyroidism b) Oral Thrust c) ANUG d) Calculus
3. Write briefly on: 5 x 2 =a) Dry Socket b) Attrition c) Neuralgic Pain d) Acute herpetic gingivostomatitis
e) Mottled enamel


1. Define and classify osteomyelitis. Describe the pathogenesis, clinical features and histopathology of chronic osteomyelitis=10marks
2. Write short notes on: 6 x 5 =a) Pindborg’s tumour b) Histopathology of caries in dentine c) Oral thrush d) Sialolithiasis e) Varicella-zoster f) Pulp stones
3. Define and classify cysts of the oral cavity. Describe the pathogenesis, clinical features and hstiopathology of radicular cyst=10marks
4. Write short: 6x5=a) Dry socket b) ANUG (Acute Necrotizing Ulcerative Gingivitis) c) Trigeminal neuralgia
d) Peripheral giant cell granuloma e) Pleomorphic adenoma f) Enamel hypoplasia

9th APRIL, 2001.

1. Enumerate and describe briefly developmental disturbances affecting the shape of teeth =10marks
2. Short Notes: a) Fibrous dysplasia b) Pemphigus c) Papilloma d) Odontomas
e) Zones of enamel caries f) Odontogenic keratocyst =6x5=30marks
3. Enumerate viral infections of the oral cavity. Describe general and oral manifestations of lesions caused by Herpes viruses=10marks
4. Short Notes: a) Oral manifestations of syphilis b) Oral biopsy and exfoliative cytology c) Bell’s Palsy
d) Oral manifestations of Vitamin C deficiency e) Periapical granuloma f) Oral submucous fibrosis =6x5=30

OCTOBER, 2000.

1. Enumerate Pre-cancerous lesions. Write in detail about the etiology, clinical features and histopathology of ‘Erythroplakia’-10marks
2. Short Notes: a) Dentinal dysplasia b) Apthous ulcer c) Mumps d) Biopsy e) Pernicious Anaemia
f) Healing of the Socket following extraction =6x5=30marks
3. Define and classify Osteomyelitis. Write briefly on Garre’s Osteomyelitis =10marks
4. Short Notes: a) Geriatric changes in tooth b) Taurodontism c) Papilloma d) Mucocele and Ranula
e) Chronic hyperplastic pulpitis f) Sjogren’s syndrome =6x5=30marks

APRIL, 2000.

1. Write briefly about the micro-organisms producing infections of the oral cavity =10marks
2. Short Notes: a) Alveolar abscess b) Stomatitis c) Periodontal cyst
d) Tissue changes in root fracture repair e) Unerupted teeth f) Herpes simplex =6x5=30marks
3. Write an essay on “Developmental abnormalities of the teeth” =10marks
4. Short Notes: a) Histopathologic study of dental caries b) Sterilization of the Dentine c) H and E Staining
d) Methods of taking swab in root canal infection e) Salivary analysis f) Autoclave =6x5

OCTOBER, 1999.

1. Define cyst. Classify cysts of Odontogenic origin. Write in detail about Dentigerous Cysts =10marks
2. Short Notes: a) Basal cell carcinoma b) Bohn’s nodule c) Hito-pathology of Lichen Planus
d) Haemangioma e) Ankylosis f) AIDS =6X5=30marks
3. Define caries. Classify dental caries. Write in detail about “The Acidogenic theory’ =10marks.
4. Short notes: a) Noma b) Fordyce’s granules c) Bell’s Palsy d) Vitaminc C deficiency e) Thalassemia
f) Erythema multiforme. =6x5=30marks

10th APRIL, 1999.

1. Classify salivary gland tumours. Write about histogenesis, clinical features, histopathology of pleomorphic adenoma =10m
2. Short Notes: a) Epidermoid cyst b) Mottled enamel c) Herpes zoaster d) Giant cell granuloma
e) Rickets f) Sub-mucous fibrosis =6x5=30marks
3. Enumerate the developmental disturbances in size, shape, number and structure of teeth. Add a note on ‘Amelogenesis Imperfecta’ 10marks
4. Short Notes:a) Dry socket b) Amyloidosis c) Ludwig’s Angina d) Hutchnison’s triad
e) Frey’s syndrome f) Pindborg’s tumour -6x5=30marks

OCTOBER, 1998.

1. Classify Odontogenic and Non-Odontogenic Cysts of the Oral Cavity. Write the Etiology and Histological features of Gorlin Cyst =10marks
2. Short Notes: a) Supernumerary teeth b) Dentinal Dysplasia c) Agranulo cytosis d) Biopsy
e) Ludwig’s angina f) Oral Submucous Fibrosis =6x5=30marks
3. Classify the diseases of T.M.J. Write Etiology and Clinical features of Ankylosis =10marks
4. Short Notes: a) Amelogenesis Imperfecta b)Bohn’s Nodules c)Mumps d)Bell’s Palsy
e) Osteogenesis Imperfecta f) Oral Moniliasis =-6x5=30marks

APRIL, 1998.

1. Mention the different types of Neuralgia. Explain in detail about Trigeminal Neuralgia =10marks
2. Short notes: a) Dentinogenesis Imperfecta b) Mucocele and Ranula c) Histopathology of Dentin
d) Candidiasis e) Pernicious Anaemia f) Herpes Simplex =6x5=30marks
3. Classify the Benign and Malignant tumors of the Oral Cavity. Write in detail about clinical features, histological features of Ameloblastoma =10marks
4. Short Notes: a) Mottled Enamel b) Aphthous Ulcers c) The role of Lactobacillus in Dental Caries
d) Vitamin C deficiency e) Healing of the socket following extraction f) Hairy Leukoplakia =6x5

OCTOBER, 1997.

1. Briefly describe the mechanisms for bacterial decomposition of the inorganic and organic structure of enamel and centine=10marks
2. Short Notes: a) Granuloma of Periodontium b) Tooth Ankylosis c) Fused Teeth d) Anodontia
e) Infectious acute periodontitis =5x5=25marks
3. Write briefly on Histopathology of caries of the Enamel, Dentin and Cementum. Describe the role of lactobacillus group in caries activity with a note on their control =10marks
4. Short notes: a) Infection of developing tooth b) Hyperdementosis
c) Tissue changes after root-canal therapy d) Odontolgia e) Gram staining f) Borrelia Vincenti =6x5

APRIL, 1997.

1. Classify Cysts of the Oro-Facial Region. Describe Pathogenesis and Histopathology of Odontogenic Keratocyst
2. Short Notes: a) Giant cell Granuloma b) Ludwig’s Angina c)Fordyce’s Granules d) Paget’s disease e) Herpes simple.5X5
1. Define Dental Caries. Describe Histopathological features of Caries in Enamel =10marks
2. Short Notes: a) Papilloma b) Scurvy c) Periapical Granuloma d) Median Rhomboid Glossitis
e) Lichen Planus f) Tooth Ankylosis =6x5=30marksB.D.S. DEGREE EXAMINATION –
APRIL, 2007
Time : 3 Hours Max. Marks : 70

Note: Answer Part A & B in separate answer books. Questions in Part’A’
should not be answered in Part’B’ and vice versa. Otherwise they
will not be valued.
Answer all questions.


Mention the various malignant tumors of salivary glands. Write in detail 9
clinical and histological features of adenoid cystic carcinoma.
Write short notes on: 4x4=16
a) Histo-pathology of lichen planus
b) Gingival cyst of an adult
c) Median Rhoboid Glossitis
d) Miculiz Syndrome

Write briefly on: 5x2=10
a) Gemination
b) Torus Mandibularis
c) Reed sternberg cell
d) Hunters Glossitis
e) Streto-cocci Mutans

What is erythroplakia. Give clinical and histological features of 9
speckled and homogenous types of erythoplakia.
Write short notes on: 4x4=16
a) Cervico – Facial Actinomycosis
b) Radiation Caries
c) Chronological Hypoplasia
d) Hutchinson Triad of Congenital Syphilis
Write briefly on: 5x2=10
a) Dry socket
b) Philadelphia chromosome
c) Pellagra
d) Enameloma
e) Dens Evaginatus

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