QP Code: 404002 Reg.No.: …………………………
Final Year BDS (Part Degree Supplementary Examinations January 2017
Public Health Dentistry
Time: 3 Hours Max Marks: 100
• Answer all questions
• Draw diagrams wherever necessary
Essays (2x14=28)
1. Define potable water. Describe in detail the various methods of purification of water.

2. Define and classify epidemiology. Explain the experimental epidemiology in detail.

Short essays
3. Define index. Describe CPITN with its objectives, scoring system, advantages and
limitations.
4. Describe the aims and objectives of school dental health programme and add a note on
the concept of incremental dental care.
5. Describe the mechanical plaque control aids
6. Classify systemic fluorides and write in detail about the systemic fluoridation.
Short notes (10x4=40)
7. Functions of DCI
8. Measures of dispersion
9. Methods of presentation of data
10. Capitation fee
11. Index age groups
12. Confidentiality
13. Mass media
14. Indian dental association
15. Incineration
16. Incidence