Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS 2014 December (Bachelor of Dental Surgery) 1st Year 1154 Dental Materials Rs And Rs2 Previous Question Paper

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Rajiv Gandhi University of Health Sciences
I B.D.S Degree Examination ? DEC-2014
Time: 3 Hrs.
[Max. Marks : 100]
DENTAL MATERIALS (RS & RS2)
QP Code: 1154
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary.

LONG ESSAY
2 X 10 = 20 Marks
1.
Classify dental ceramics. Discuss about their composition, role of ingredients and clinical
applications of ceramics.
2.
Write ideal requirements of impression materials. Discuss in detail irreversible Hydrocolloid
impression materials
SHORT ESSAY
10 X 5 = 50 Marks
3.
Delayed expansion
4.
Flux and antiflux
5.
Fillers in composite resin
6.
Zinc phosphate cement
7.
Gypsum bonded investments
8.
Casting defects
9.
Dentrifrices
10. Die spacers
11. Abrasive and polishing agents
12. Difference between heat and cold cure acrylic resin
SHORT ANSWERS
10 X 3 = 30 Marks
13. Non ? eugenol pastes
14. Luting agents
15. Composition of inlay wax
16. Hardness test
17. Pit and fissure sealants
18. Hygroscopic expansion
19. Gamma 2 phase
20. Separating media
21. Dental stone
22. Porosities in acrylic resin
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