1. Continues use of vibrator during investing leads to?

Question 1 of 20

2. If multiple firing is done to opaque layer of dental porcelain, then it becomes?

Question 2 of 20

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

Question 3 of 20

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

Question 4 of 20

5. oxides of all of the following elements in noble metal alloys help in bonding to porcelain except

Question 5 of 20

6. Which of the following is used for making blades and sharp surgical instruments:

Question 6 of 20

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

Question 7 of 20

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

Question 8 of 20

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

Question 9 of 20

10. Which property of composites is most affected by the size and number of fillers:

Question 10 of 20

11. Any marked distortion of the casting is related to

Question 11 of 20

12. Primer which etches and primes dentin is known as:

Question 12 of 20

13. Liquid which shows thickening on increasing strain is called

Question 13 of 20

14. self curing acrylics for tooth restorations are least compatible with which material

Question 14 of 20

15. Maximum shrinkage occurs in which stage:

Question 15 of 20

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

Question 16 of 20

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

Question 17 of 20

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

Question 18 of 20

19. the property of amalgam that makes it undesirable to bevel occlusal margins of an amalgam cavity preparation is its

Question 19 of 20

20. Which investment shows high contraction due to loss of water and alcohol:

Question 20 of 20