Download BDS 2021 September 2nd Year 4208 Dental Materials Question Paper

Download BDS (Bachelor of Dental Surgery) 2021 September 2nd Year 4208 Dental Materials Previous Question Paper

[BDS 0921] SEPTEMBER 2021 Sub. Code: 4208
(FEBRUARY 2021 SESSION)

SECOND YEAR B.D.S. DEGREE EXAM
(Common to First Year Paper III - Modified Regulation III Candidates)
PAPER III ? DENTAL MATERIALS
Q.P Code: 544208
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on:
(2 x 10 = 20)
1. Classify Impression Materials. Discuss in detail about Hydrocolloids.
2. Classify and discuss Dentin Bonding Agents. Add a note on Acid
Etching Technique.

II. Write Notes on: (10 x 5 = 50)

1. Soft Liners.
2. Hygroscopic Expansion.
3. Tarnish and Corrosion.
4. Composition and Requirements of Inlay Wax.
5. Classification and Forms of Direct Filling Gold.
6. Setting Reaction of High Copper Amalgam.
7. Agents for Pulp Protection.
8. Shape Memory of Nickel Titanium Alloys.
9. Coefficient of Thermal Expansion.
10. Methods of Strengthening Ceramics.
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