1. the accuracy of the temperature of the casting furnace may be verified by

Question 1 of 20

2. Which of the following is true statements regarding the polishing of amalgam?

Question 2 of 20

3. Cutting edge of surgical burs are made from martensite form rather than austenite form due to which of the following reason

Question 3 of 20

4. Modulus of elasticity/tensile strength of brittle materials is measured by

Question 4 of 20

5. Green shrinkage seen in :

Question 5 of 20

6. Polysulfide impression material should be:

Question 6 of 20

7. Which of the following is a resorbable Bio- ceramic?

Question 7 of 20

8. The phenomenom where porcelain appears different under varying light conditions is

Question 8 of 20

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

Question 9 of 20

10. which orthodontic wire shows shape memory

Question 10 of 20

11. Stiffness is:

Question 11 of 20

12. About pit and fissure sealant which is wrong

Question 12 of 20

13. A system of manufacturing copings from blocks of pure titanium by machine duplication and spark erosion is

Question 13 of 20

14. in an alginate impression material trisodium phosphate is the

Question 14 of 20

15. All of the following statements are true regarding glass ionomer restorations,except

Question 15 of 20

16. Which composite type is 70% to 77% percent filled by volume and has an average particle size ranging from 1 to 3 um.

Question 16 of 20

17. the prinicipal factor in minimising the firing shrinkage of porcelain is the

Question 17 of 20

18. Asbestos is used as a lining in a casting ring to

Question 18 of 20

19. Stain removing commercial denture cleanser usually contain

Question 19 of 20

20. If gold content of the alloy decreases:

Question 20 of 20