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

Question 1 of 20

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

Question 2 of 20

3. The process by which a casting is heated in a porcelain furnace to a temperature of 980"C to burn off any remaining impurities prior to adding porcelain is called:

Question 3 of 20

4. Bond strength required to counteract the effect of polymerization shrinkage in composite resins:

Question 4 of 20

5. maximum shrinkage of firing of ceramic occurs during which stage

Question 5 of 20

6. in processing an acrylic denture in a water bath a proper heating cycle is desired because of the possibility of

Question 6 of 20

7. Following is added to zinc polycarboxylate to improve its manageability:

Question 7 of 20

8. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known as

Question 8 of 20

9. Stress is:

Question 9 of 20

10. In hot and dry environment, alginate shrinks by

Question 10 of 20

11. porcelain are made opaque by the addition of oxides of

Question 11 of 20

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

Question 12 of 20

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

Question 13 of 20

14. Which impression material is most difficult to remove without fracturing teeth of a stone model?

Question 14 of 20

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

Question 15 of 20

16. what filler is used in impression compound "alginate"

Question 16 of 20

17. when selecting the color of cememt to use for cementing a porcelain jacket crown the powder being tested is best mixed with

Question 17 of 20

18. The main component of gypsum bonded investment which provides thermal expansion to compensate for alloy solidification shrinkage is

Question 18 of 20

19. type IV gold casting alloys are used for fabricating

Question 19 of 20

20. Bonding of porcelain veneer done by:

Question 20 of 20