Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS 2016 December (Bachelor of Dental Surgery) 1st Year 1154 Dental Materials Rs And Rs2 Previous Question Paper

Rajiv Gandhi University of Health Sciences, Karnataka
I B.D.S Degree Examination - DEC 2016
Time: Three Hours
Max. Marks: 100 Marks
DENTAL MATERIALS (RS & RS2)
Q.P. CODE: 1154
Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
LONG ESSAYS
2 x 10 = 20 Marks
1.
Classify impression materials. Describe in detail the properties, manipulation and uses of
irreversible hydrocolloid impression material.
2.
Classify dental ceramics. Write in detail the composition, procedure of condensation and sintering
of dental porcelain.
SHORT ESSAYS
10 x 5 = 50 Marks
3.
Welding and soldering
4.
Stress and strain
5.
Porosities in denture resin
6.
Soldering and welding
7.
Trituration and condemnation of silver amalgam
8.
Enumerate kinds of direct filling gold.
9.
Composition and uses of inlay waxes
10.
Dentin bonding agents
11.
Manipulation of heat cure resin
12.
Casting defects
SHORT ANSWERS
10 x 3 = 30 Marks
13.
Phosphate bonded investment material
14.
Factors affecting setting time of gypsum products
15.
Creep and flow
16.
Sprue former
17.
18/8 stainless steel
18.
Cavity varnish
19.
Hygroscopic setting expansion
20.
Setting reaction of Gamma ? two phase
21.
Uses of zinc oxide eugenol
22.
Abrasive agents
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