Baba Farid University of Health Sciences 2009 B.D.S Dental Surgery .[2nd Prof.] BF//05 Dental Materials - Question Paper

PART – I
1. provide classification of Dental cements as per their use. explain in detail the
composition, setting reaction, classification, manipulation & changes
of Glass Ionomer cement. [2+2+2+2+2+2=12]
2. Briefly discuss:
a. Factors affecting success of Amalgam restoration. [4]
b. Compaction of direct filling gold. [4]
3. Write short notes on:
a. Microleakage. [3]
b. Casting machines. [4]
c. Manipulation of Inlay wax. [4]
d. Disinfection of impression materials. [4]
PART – II
4. provide ADA classification of impression materials. define in detail the
composition, properties, advantages/disadvantages and manipulation of
addition Silicons. [2+2+2+2+2+2=12]
5. Briefly discuss:
a. Setting of Gypsum products. [4]
b. Porosity in denture base resin. [4]
6. Write short notes on:
a. Young's modulus or (Modulus of Elasticity). [3]
b. Tarnish and Corrosion. [4]
c. Feldspathic porcelains. [4]
d. Stainless steels. [4]

Earning:   Approval pending.