DENTAL MATERIALS – JUNE 2017
Draw neat and labeled diagram wherever necessary.
Total Marks: 70 Marks
LONG ESSAYS – 2 x 10 = 20 Marks
1. Classify impression materials. Write in detail about the composition, setting reaction, and properties of polyvinyl siloxane impression material.
2. Describe in detail about the composition, properties, and manipulation of Glass Ionomer Cement.
SHORT ESSAYS – 8 x 5 = 40 Marks
3. Work hardening and annealing.
4. Curing resin-based composites.
5. Manipulation of AGAR impression materials.
6. Explain about the test used for surface hardening.
7. Casting defects.
8. Low copper alloys.
9. Injection molding techniques.
10. Eutectic Alloy.
SHORT ANSWERS – 5 x 2 = 10 Marks
11. Soldering and welding.
12. Creep.
13. Metamerism.
14. Coupling agents.
15. Base plate wax.