Q P Code: 303002 Reg. No.: ………………… Third Year BDS Degree Examinations -October 2013 Oral Pathology and Oral Microbiology Time: 3 hrs

Max marks: 100 • •

Answer all questions Draw diagram wherever necessary

Essays

(2x14=28)

1. Enumerate the white lesions of the oral cavity. Discuss in detail the etiopathogenesis, clinical features and histopathology of oral lichen planus. (2+4+4+4 = 14) 2. Discuss in detail the etiology, clinical features and histological features of oral squamous cell carcinoma. Add a note on TNM staging of OSCC. (4+3+4+3 = 14) Short essays

(4x8=32)

3. Clinical features and oral manifestations of cleidocranial dysplasia 4. Radiographic features and histological features of adenomatoid odontogenic tumor 5. Oral melanotic nevi 6. Clinical features and histological features of actinomycosis Short notes

(10x4=40)

7. Clinical features of Sjogren’s syndrome 8. Zones of enamel caries 9. Rushton bodies 10. Supernumerary teeth 11. Classification of bite marks 12. Reed-Sternberg cells 13. Fordyce granules 14. Clinical features of Garre’s osteomyelitis 15. Epulis fissuratum 16. Dental DNA in forensic identification *********************