ORAL PATHOLOGY AND ORAL MICROBIOLOGY,Dr. MGR University Question Papers,THIRD B.D.S. DEGREE EXAMINATION,2011 to 2015 Question Papers

Dr. MGR University Question Paper

2011 Question Paper

THIRD B.D.S. DEGREE EXAMINATION
ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q. P. Code : 544178
Time : Three hours Maximum: 100 Marks
Answer ALL questions
I. Essay Questions: (2 x 20 = 40)
1. Classify the vesiculo-bullous disorders of oral cavity. Discuss in detail the
 etiopathogenesis, clinical features, oral manifestations, histopathology,
 differential diagnosis and treatment of Pemphigus vulgaris.
2. Classify the salivary gland tumors, write in detail about Mucoepidermoid
 carcinoma.
II. Write Short notes on : (10 x 6 = 60)
1. Turner’s Hypoplasia.
2. Keratoacanthoma.
3. Gustafson’s method of age estimation.
4. Mucurmycosis.
5. Osteoclastoma.
6. Pernicious anaemia.
7. Osteoradionecrosis.
8. Pulp polyp.
9. Odontogenic Keratocyst.
10. Pindborg tumour.
*******

Dr. MGR University Question Paper

2012 Question Paper

THIRD B.D.S DEGREE EXAMINATION
PAPER III - ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q .P .Code: 544178
Time: Three hours Maximum: 70 Marks
 Answer ALL questions in the same order
Draw Suitable diagrams wherever necessary
I. Elaborate on: (2×10=20)
1. Classify salivary gland tumors. Describe the clinical features and
histopathology of Pleomorphic Adenoma
2. Define dental caries. How will you detect dental caries? What are the
causes and pathogenesis of dental caries?
II. Write notes on: (10×5=50)
1. ANUG
2. Supernumerary teeth
3. Down’s syndrome
4. Ectodermal dysplasia
5. Osteomyelitis
6. Multiple myeloma
7. Adenomatoid odontogenic tumor
8. Calcifying odontogenic cyst
9. Iron deficiency anaemia
10.Exfoliative cytology
*******

Dr. MGR University Question Paper

2012 Question Paper

THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q .P .Code: 544178
Time: 180 Minutes Maximum: 100 Marks
Answer ALL questions in the same order
I. Elaborate on: Pages Time Marks
 (Max.)(Max.)(Max.)
1. Classify pulpitis. What are the causes of pulpitis?
Describe the clinical features and diagnosis of pulpitis. 19 30 20
2. Define the clinical features, etiology, pathogenesis
and histopathology of Oral Lichen Planus. 19 30 20

II. Write Notes on:
1. Mottled enamel. 3 10 5
2. Tzanck test. 3 10 5
3. Ebstein barr virus. 3 10 5
4. Papilloma. 3 10 5
5. Metastatic tumors to oral cavity. 3 10 5
6. Histopathology of adenoid cystic carcinoma. 3 10 5
7. Histopathology of monostotic fibrous dysplasia. 3 10 5
8. Effects of radiation on oral tissues. 3 10 5
9. Basal cell carcinoma. 3 10 5
10.Role of carbohydrate diet in caries. 3 10 5
11.Lateral periodontal cyst. 3 10 5
12.Ghost cells. 3 10 5
*******

Dr. MGR University Question Paper

2013 Question Paper

THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q .P .Code: 544178
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2x10=20)
1. Define Enamel hypoplasia. Write in detail about classification clinical
features and histopathology of Amelogenesis imperfecta.
2. Classify cysts of the jaws and write in detail, the pathogenesis clinical
features, radiographic features and histopathology of radicular cyst.

II. Write Notes on: (10x5=50)

1. Angular Cheilitis.
2. Epithelial dysplasia.
3. Rhabdomyosarcoma.
4. Mucocele.
5. Malignant melanoma.
6. Supernumerary teeth.
7. Adenomatoid odontogenic tumor.
8. Osteomyelitis.
9. Pleomorphic adenoma.
10.Squamous cell carcinoma.

*******

Dr. MGR University Question Paper

2013 Question Paper

THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q .P .Code: 544178
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2x10=20)
1. Define Osteomyelitis. Classify Osteomyelitis of jaw. Write in detail the
clinical, radiographic and histopathological features of Garre’s
Osteomyelitis.
2. Define and enumerate premalignant lesions and conditions. Write in detail
the etiology, clinical features and histopathology of leucoplakia.

II. Write Notes on: (10x5=50)

1. Adenoid cystic carcinoma
2. Histopathology of Oral lichen planus.
3. Verrucous carcinoma
4. Odontome
5. Marfan’s syndrome
6. Aneursymal bone cyst.
7. Gustatory sweating
8. Cancarum oris
9. Ectopic geographic tongue.
10.Rickets.

*******

Dr. MGR University Question Paper

2014 Question Paper

THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q.P Code: 544178
Time: Three Hours Maximum: 70 marks
Answer all questions. Draw diagrams wherever necessary
I. Elaborate on: (2X10=20)
1. Define Dental caries. Write in detail about histopathology of enamel and
dentine caries.
2. Define Carcinoma. Describe the clinical features, histopathology and
grading of oral Squamous cell carcinoma.
II. Write Notes on: (10X5=50)
1. Actinomycosis
2. Macroglossia
3. Fibroma
4. Pulpitis
5. Trigeminal neuralgia
6. Oral manifestations of AIDS/HIV infection
7. Pemphigus
8. Oral candidiasis
9. Oral submucous fibrosis
10.Fusion of teeth
*******

Dr. MGR University Question Paper

2014 Question Paper

 THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q.P Code: 544178
Time: Three hours Maximum: 70 marks
Answer all questions. Draw diagrams wherever necessary
I. Elaborate on: (2X10=20)
1. Define and classify Fibro-osseous lesions. Explain in detail the
aetiopathogenesis, clinical features, histopathology, differential
diagnosis and treatment of Polyostotic Fibrous dysplasia.
2. Classify and discuss in detail the oral manifestations of Human
immunodeficiency virus infection.
II. Write Notes on: (10X5=50)
1. Dentin dysplasia
2. Carcinoma in situ
3. Odontogenic Keratocyst
4. Bite marks in Forensic dentistry
5. Tzanck test
6. Burkitt’s lymphoma
7. Histopathology of Lichen planus
8. Trigeminal Neuralgia
9. Thrush
10.Geographic tongue
*******

Dr. MGR University Question Paper

2015 Question Paper

THIRD YEAR B.D.S. DEGREE EXAM
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q.P Code: 544178
Time: Three Hours Maximum: 70 Marks
Answer all questions. Draw diagrams wherever necessary
I. Elaborate on: (2 x 10 = 20)
1. Classify the premalignant disorders of oral cavity. Write an essay on Oral
Submucous Fibrosis.
2. Write in detail about Clinical, Radiological and histopathological features
of Paget’s disease of bone.
II. Write Notes on: (10 x 5 = 50)
1. Wegener’s granulomatosis.
2. Cicatritial Pemphigoid.
3. Plummer-Vincent’s syndrome.
4. Histopathology of Dentinal caries.
5. Radiologic features of Osteosarcoma.
6. Warthin’s tumor.
7. Aneurysmal bone cyst.
8. Direct and indirect immunofluorescent tests.
9. Ameloblastoma.
10. Supernumerary teeth.
*******

Dr. MGR University Question Paper 

2015 Question Paper

THIRD YEAR B.D.S. DEGREE EXAMINATION
PAPER III – ORAL PATHOLOGY AND ORAL MICROBIOLOGY
Q.P. Code: 544178
Time : Three Hours Maximum : 70 marks
Answer All Questions
Draw suitable Diagrams wherever necessary
I. Elaborate on: (2 x 10 = 20)
 1. Classify Salivary gland tumors. Discuss clinical features and histopathology of
 Adenoid cystic carcinoma.
 2. Discuss developmental disturbances of the lips and palate.
II. Write notes on : (10 x 5 = 50)
 1. Impacted teeth.
 2. Odontogenic Keratocyst.
 3. Oral Lichen Planus.
 4. Oral Submucous Fibrosis.
 5. Fibrosarcoma.
 6. Histopathology of Enamel caries.
 7. Oral manifestations of Congenital syphilis.
 8. Oral Squamous cell carcinoma.
 9. Adenomatoid odontogenic tumour.
10. Erosion of teeth.
******* 

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