Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS 2014 December (Bachelor of Dental Surgery) 2nd Year 1185 Dental Materials Rs3 Previous Question Paper

Rajiv Gandhi University of Health Sciences, Karnataka
II B.D.S Degree Examination - DEC-2014
Time: Three Hours
Max. Marks: 70 Marks
DENTAL MATERIALS (RS3)
Q.P. CODE: 1185
Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
LONG ESSAYS
2 x 10 = 20 Marks
1.
Define the term "Water / Powder Ratio" and explain the setting reaction, methods of determining
the setting times and factors affecting setting time of Gypsum Products.
2.
Describe in detail composition, setting reaction, uses and properties of Zinc Oxide Eugenol
impression material.
SHORT ESSAYS
8 x 5 = 40 Marks
3.
Explain in brief any five physical properties of dental materials.
4.
Composition of Dental Ceramics
5.
Addition Poly-vinyl siloxane impression material
6.
Micro-filled Composite Resin
7.
Polymerization cycles
8.
Calcium Hydroxide Cement
9.
Sensitization and Stabilization
10.
Explain different types of direct filling gold in brief.
SHORT ANSWERS
5 x 2 = 10 Marks
11.
Pickling
12.
Glass transition temperature
13.
Crazing
14.
Rheology
15.
Age hardening
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