KUSMS BDS III Oral Pathology, Microbiology and Forenic Odontology Pre University Exam SAQ and MEQ Past Questions December 2018

Kathmandu University School of Medical Sciences
BDS Program
Pre-University Examination, December 2018

Subject: Oral Pathology, Microbiology and Forensic Odontology         Level : BDS III (New Course)
Time: 2 Hours and 30 Minutes                                                                Date: 7th Dec, 2018
Full Marks: 50

  • Answer each section in a separate answer book.
  • Write brief, relevant and legible answers.
  • Illustrate your answers with well-labeled diagrams wherever required.
  • All questions are compulsory.

SECTION 'B' - 25 Marks

1. A 50 years male presented with difficulty in opening mouth since two months. The patient has the habit of chewing areca nut and smoking tobacco since 7 years. On examination, oral mucosa showed blanching and white fibrous bands bilaterally.       [1+1+2+2 = 6]
a. What could be the most probable diagnosis of the above lesion?
b. List the differential diagnosis of the lesion.
c. Discuss the etiopathogenesis and histological grading of this lesion.

2. Enumerate pigmented lesions of oral cavity. Describe 5 criteria for clinical diagnosis of melanoma. Add a note on histological variants of melanoma. [1+2+2=5]

3. Enumerate the fungal infections of oral cavity. Describe oral candidiasis in detail. [1+4=5]

4. Write short notes on:        [3*3=9]
a. Verrucous hyperplasia  vs Verrucous carcinoma
b. Ghost cell
c. Recent advances in caries detection

[Section 'C' 25 marks]
5. Classify salivary gland tumor. Describe histogenesis, etiology, Clinical Features and Histopathology of adenolymphoma.           [2+1+1+1+1=6]

6. Classify vesiculobullous lesions affecting the oral cavity. Discuss pathogenesis of Lichen planus.  [2+3=5]

7. Role of a Dentist in Forensic Medicine    [5]

8. Write Short notes on:          [3*3=9]
a. Adaptation Syndrome
b. Cytological Smear
c. Reimplantation and Transplantation of teeth in brief 

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