Download RGUHS BDS 2014 June 2nd Year 1185 Dental Materials Rs 3 Question Paper

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Y RGUHS University of Health Sciences
II B.D.S Degree Examination — June 2014

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[Max. Marks : 70]
Time: 3 Hrs.
DENTAL MATERIALS
(RS-3)
QP Code: 1185

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Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary.
LONG ESSAY
2 X 10 = 20 Marks
1. Classify impression materials. Compare in detail the properties, advantages, disadvantages and

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uses of hydrocolloids with elastomeric impression materials. Add a note on disinfection of
impressions.
2. Discuss in detail the properties, advantages, disadvantages of dental ceramics. What are CAD-CAM
restorations?
SHORT ESSAY

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8 X 5 = 40 Marks
3. What are luting cements? Write their ideal requisites.
4. Expansion in investment materials
5. Die stone
6. Manipulation of silver amalgam

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7. Biocompatibility testing of dental materials
8. Corrosion and its prevention
9. Denture liners
10. Abrasives and polishing agents
SHORT ANSWERS

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5 X 2 = 10 Marks
11. Microwave curing of resins
12. Die spacers
13. Classification of inlay wax
14. Advantages and disadvantages of direct filling gold

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15. Self-etch dental adhesives