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

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[BDS 0921] SEPTEMBER 2021 Sub. Code: 4208

(FEBRUARY 2021 SESSION)

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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

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1. I. Elaborate on: (2x10=20)

   1. Classify Impression Materials. Discuss in detail about Hydrocolloids.
   2. Classify and discuss Dentin Bonding Agents. Add a note on Acid Etching Technique.

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

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   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.

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   6. Agents for Pulp Protection.
   7. Setting Reaction of High Copper Amalgam.
   8. Shape Memory of Nickel Titanium Alloys.
   9. Coefficient of Thermal Expansion.
   10. Methods of Strengthening Ceramics.

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