Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS 2011 June (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 ? June / July 2011
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 hydrocolloids? Write the composition and manipulation of irreversible hydrocolloids. Add a
note on disinfection of irreversible hydrocolloid and its latest advancements
2.
Classify metal ceramic alloys? What are the ideal requirements of metal ceramic alloys? Mention the
different factors which help in bringing an effective bond between the ceramic and metal? Add a
note on recent ceramics
SHORT ESSAY
10 X 5 = 50 Marks
3.
Newer developments of glass ionomer cement
4.
Soldering technique
5.
Porosities in dental casting
6.
Causes and prevention of wax distortion
7.
Types of corrosion
8.
Sensitization and stabilization of stainless steel
9.
Condensation and polishing of gold foil
10. Mercury hygiene and precautions to be taken while handling them
11. Porosity and its effects on denture base resins
12. Evaluation of toxicity of dental materials
SHORT ANSWERS
10 X 3 = 30 Marks
13. Proportional limit
14. Dental stone
15. Wet field technique
16. Separating media and its uses
17. Eames technique
18. Reservoir
19. Soldering flame
20. Pulp capping agents
21. Pumice
22. Gamma 1 phase
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