1. Continues use of vibrator during investing leads to?

Question 1 of 20

2. best cement for cementation of orthodontic molar bands

Question 2 of 20

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

Question 3 of 20

4. Brush heap structure is seen in:

Question 4 of 20

5. Addition of fillers in composite resins:

Question 5 of 20

6. Lower density usually means?

Question 6 of 20

7. A very active metal which is gas at room temperature is

Question 7 of 20

8. the length of sprue formers depends primarily on the

Question 8 of 20

9. Type I GIC is

Question 9 of 20

10. Any marked distortion of the casting is related to

Question 10 of 20

11. When Alginate is mixed with tap water having high calcium sulfate and magnesium, what happens

Question 11 of 20

12. within practical limits when the water/powder ratio is increased beyond the recommended amount in mixing plaster the

Question 12 of 20

13. An impression is taken with addition silicone. What should be done before pouring the cast?

Question 13 of 20

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

Question 14 of 20

15. hydrocolloid impression material may experience all of the following except

Question 15 of 20

16. Stiffness is related to?

Question 16 of 20

17. Correct property of the tilite alloy is

Question 17 of 20

18. Use of type II ZOE cement:

Question 18 of 20

19. According to ADA specifications, maximum flow of Type I inlay wax at 37 degrees:

Question 19 of 20

20. the primary purpose of rinsing a set impression with a watery mix of dental stone

Question 20 of 20