Download RGUHS BDS 2012 July 1st Year 1104 Dental Materials Old Scheme Question Paper

Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS 2012 July (Bachelor of Dental Surgery) 1st Year 1104 Dental Materials Old Scheme Previous Question Paper

1104_2012_2_S044
Rajiv Gandhi University of Health Sciences
I B.D.S Degree Examination - June / July 2012
Time: 3 Hrs.
[Max. Marks : 70]
DENTAL MATERIALS (Old Scheme)
QP Code: 1104
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary.
LONG ESSAY
2 X 10 = 20 Marks
1. Name the different waxes used in dentistry. What are the desirable properties and uses of inlay
wax? How do we avoid wax distortion?
2. What are the uses of dental cements? Describe the composition, setting reaction and physical
properties of zinc poly carboxylate cements
SHORT ESSAY
6 X 5 = 30 Marks
3. Phosphate
bonded
investments
4. Hue, chroma and value
5. Mercury toxicity
6. Chrome cobalt alloy
7. Mat gold
8. Indirect composites
SHORT ANSWERS
10 X 2 = 20 Marks
9. Cold mold seal
10. Polishing of restorations
11. Accelerators in plaster of paris
12. Wetting agent
13. Fillers in composite resins
14. Karat and Fineness
15. Zinc free alloy
16. Eutectic alloy
17. Tensile
stress
18. Burnishing of silver amalgam
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