Download RGUHS BDS 2020 1st Year 1185 Dental Materials Question Paper

Download RGUHS (Rajiv Gandhi University of Health Sciences) BDS (Bachelor of Dental Surgery) 2020 First Year (1st Year) 1185 Dental Materials Previous Question Paper

Rajiv Gandhi University of Health Sciences, Karnataka
B.D.S Degree Examination ?26-Nov-2020
I Year (OS, RS & RS2 Only)
II Year (RS3 Only)
Time: Three Hours
Max. Marks: 70 Marks
DENTAL MATERIALS
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.
Classify elastomeric impression materials. Write in detail about the composition, setting reaction,
properties and uses of poly vinyl silicones.
2.
Classify dental cements. Mention the composition, setting reaction, properties and uses of glass
ionomer cements.
SHORT ESSAYS
8 x 5 = 40 Marks
3.
Casting porosities.
4.
Trituration in amalgam.
5.
Alginate impression material.
6.
Tarnish and Corrosion.
7.
Abrasives and polishing agents.
8.
Micro filled composites.
9.
Setting expansion in gypsum.
10. Hue, Chroma, value.
SHORT ANSWERS
5 x 2 = 10 Marks
11. Acid etch technique.
12. Imbibition and syneresis.
13. Stress.
14. Classify trays used to make dental impressions.
15. Dentifrices.
*****

---