Saurastra University 2006 B.D.S Dental Surgery First Year -/Dental Materials,SA4808 - Question Paper

SA-4808
First Year B.D.S. exam
March / April – 2006
Subject- DENTAL MATERIALS
Time : three Hours] [Total Marks : 100

Instructions :
(1) Use separate answer-book for every part.
(2) Draw diagrams wherever necessary.

part – I

1 explain the criteria of an ideal restorative material. [Marks 16]
define the composition, properties, manipulation and uses
of silver amalgam.

2 State the ideal requirements of Denture Base materials. [Marks 16]
To what extent acrylic resin fulfills it?

3 Write short notes on: [Marks 18]
(a) Sprue and Sprue former
(b) Gold foil
(c) Tarnish and Corrosion

part - II

4 Classify dental cements and explain glass ionomer cements [Marks 16]
in detail.

5 Classify impression materials. define alginate impression [Marks 16]
material in detail.


6 Write short notes on : [Marks 18]
(a) Hardness
(b) Stress and Strain
(c) Hygroscopic Setting Expansion

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Earning:   Approval pending.