1. There are four types of gypsum products approved for use in dentistry. Which of the following types is used rarely today?

Question 1 of 20

2. Hysteresis, the phenomenon of sol-gel conversion of a reversible hydrocolloid ,is dependent upon

Question 2 of 20

3. of the following, most kind to the pulp is

Question 3 of 20

4. Material added in In-Ceram:

Question 4 of 20

5. Which phase of the amalgam reaction is prone to corrosion in clinical restorations?

Question 5 of 20

6. If gold content of the alloy decreases:

Question 6 of 20

7. most common reason for incomplete casting when using a centrifugal casting machine is

Question 7 of 20

8. Which of the following cannot be used for debridement of zirconia implant surface

Question 8 of 20

9. In metal-ceramic restorations, failure or fracture usually occurs:

Question 9 of 20

10. diamond particle size of 125-150 um is catagorised as

Question 10 of 20

11. Which material has least shelf life

Question 11 of 20

12. Loss of colour stability in self polymerizing resins is due to degradation of:

Question 12 of 20

13. Young's modulus is defined as:

Question 13 of 20

14. By product of setting reaction of condensation silicon:

Question 14 of 20

15. in Co-Cr alloys the constituent responsible for corrosion resistance is

Question 15 of 20

16. The dentist can best control the setting time of irreversible hydrocolloid impression material by altering the

Question 16 of 20

17. Bur used for smooth finishing:

Question 17 of 20

18. Contact angle between liquid and adherend surface is 180 degree. This suggests

Question 18 of 20

19. Must commonly used coupling agent of composites:-

Question 19 of 20

20. Lower density usually means?

Question 20 of 20