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Dental Materials Quiz 11

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Dental Materials Quiz 11

1 / 50

What is the most frequently used restorative material ?

2 / 50

Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?

3 / 50

Which one of the following is used as filler in composite resins ?

4 / 50

The impression material used to record the prepared areas on abutment teeth is______________?

5 / 50

Corrosion of stainless steel is due to formulation of_________________?

6 / 50

Which one of the following dental cement accelerates the formation of reparative dentin ?

7 / 50

Which of the following does not occur in High Copper Amalgam ?

8 / 50

When porcelain is basked against metal, it should possess a________________?

9 / 50

The impression for a diagnostic cast of a partial edentulous mouth should be taken in_______________?

10 / 50

Which material is the most difficult to remove from the patients mouth ?

11 / 50

The chief advantage of zinc phosphate cement is its___________?

12 / 50

Compared with dental alloys, CERAMICS show____________________?

13 / 50

Cavity varnishes have_____________?

14 / 50

Copper content in low copper amalgam is________________?

15 / 50

Die is________________?

16 / 50

Which of the following fuel gases used for soldering, has the highest heat content______________?

17 / 50

Palatal secretions affect the setting of all the impression materials except_______________?

18 / 50

Model plaster (white) used to cast study models before mixing with water, is largely composed of____________?

19 / 50

Gold content of an 18 carat alloy is______________?

20 / 50

Which material undergoes hysteresis ?

21 / 50

Phenomenon in which porcelain appears different under varying light condition is______________?

22 / 50

Which is the use of boxing an impression______________?

23 / 50

Alginates are made dust free by adding______________?

24 / 50

The effect of zinc oxide-eugenol on the pulp ?

25 / 50

Softening heat treatment of alloy increases_________________?

26 / 50

Which one of the following is most elastic ?

27 / 50

The Zinc oxide-eugenol impression pastes harden by________________?

28 / 50

Water of reaction needed to react completely with 100 g of calcium sulphate hemihydrates to convert it to calcium sulphate dihydrate______________?

29 / 50

The yield strength of AUstenite (NiTi alloy) is______________?

30 / 50

Gypsum product having least expansion_____________?

31 / 50

Dimensional stability of elastomeric impression material can be given in descending order as_____________?

32 / 50

Increased amount of powder in zinc phosphate cement mixture will cause_______________?

33 / 50

Ag-Cu eutectic alloy has a characteristic Property of that fusion temp of_____________?

34 / 50

Which of the following procedure is indicated to produce cross-linking in the polymerization of linear chains of acrylic_______________?

35 / 50

The base constituents of dental waxes come from three main sources except______________?

36 / 50

A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?

37 / 50

The function of a sprue is to_______________?

38 / 50

Which is gypsum product_______________?

39 / 50

Inlay wax is used to_______________?

40 / 50

The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?

41 / 50

When Gold fused with porcelain is fired at very high temperature greenish discoloration of cervical margin is due to________________?

42 / 50

The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________?

43 / 50

The proportional limit is defined as______________?

44 / 50

The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?

45 / 50

The point at which a stress of a material exhibits a specific limited deviation P is called_______________?

46 / 50

ADA specification number of gypsum products are described under____________?

47 / 50

Heat hardening is the process done at_______________?

48 / 50

The major component of zinc phosphate cement is_____________?

49 / 50

Investment material used for cobalt-chromium alloys is_____________?

50 / 50

The setting of zinc phosphate may be retarded by ?

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