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Dental Materials Quiz 6

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Dental Materials Quiz 6

1 / 50

The principle application of zinc phosphate cement is_____________?

2 / 50

To prevent porosity in self-cure acrylic resin, curing should be carried in______________?

3 / 50

High strength amalgam is achieved by_____________?

4 / 50

For porcelain fused to metal crown, the porcelain should have ______________?

5 / 50

The strength of a gypsum investment is dependent on_______________?

6 / 50

The advantage of unfilled methyl methacrylate is that______________?

7 / 50

Beta hemihydrate particles absorb______________?

8 / 50

The percentage of copper in high copper alloy is______________?

9 / 50

Which of the following hardness test is a micro hardness test ?

10 / 50

Agar syringe material can be used with/as______________?

11 / 50

White gold alloy predominantly is______________?

12 / 50

Compare to conventional amalgams, spherical amalgams_______________?

13 / 50

The ADA specification No 1 for composition of amalgam alloy recommends______________?

14 / 50

Which of the following is correct________________?

15 / 50

Rough and irregular surface produced on the impression is because of_______________?

16 / 50

The standard perforated tray for us with alginate impression materials may be brought to more customized contour by_______________?

17 / 50

The term given to the phenomenon of moisture absorption by an alginate impression in________________?

18 / 50

Coefficienty of thermal expansion of tooth enamel is closest to_______________?

19 / 50

Impression material that Do NOT harden by chemical reaction_______________?

20 / 50

Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?

21 / 50

Super abrasive is________________?

22 / 50

All of the following statements about Type II silicon impression material are true EXCEPT_______________?

23 / 50

The elastic of plastic deformation to fracture a material is its_______________?

24 / 50

Boxing wax is also called as________________?

25 / 50

18-B Stainless steel orthodontic wire has_______________?

26 / 50

The carat for Au foil used for restorations is_______________?

27 / 50

Bonding of composite resins to tooth structure is by________________?

28 / 50

Disadvantage of having a short sprue is________________?

29 / 50

All of the following statements about an alginate impression are EXCEPT________________?

30 / 50

The best tissue tolerated material for crown and bridge_______________?

31 / 50

The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?

32 / 50

Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?

33 / 50

A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

34 / 50

Most advantageous indication of acid etching is______________?

35 / 50

The impression materials with lowest viscosity is_____________?

36 / 50

By increasing the percentage of which metal, the strength and hardness of amalgam increases_____________?

37 / 50

The strength of the gypsum specimen when the water in excess of that required for the hydrate of the hemihydrate is left in the specimen is called____________?

38 / 50

Polymerisation of heat-cured methyl methacrylate is initiated by______________?

39 / 50

Sublimation is the conversion of a___________________?

40 / 50

The imperfection seen on the lingual flange of a lower denture caused by rapid heating during a curing cycle is called_____________?

41 / 50

For esthetic areas where high luster is required the restoration used usually______________?

42 / 50

Flow of a material refers to_______________?

43 / 50

Chemical method of strengthening porcelain involves_________________?

44 / 50

The principal constituent of set silicate cement matrix is_______________?

45 / 50

Co-efficient of Thermal exansion of amalgam is______________?

46 / 50

Why GIC is best restorative material in children_____________?

47 / 50

PH of polycarboxylate liquid is____________?

48 / 50

Which of the following characterizes the silicate cement______________?

49 / 50

Accelerators and retarders are used with gypsum products mainly to control_______________?

50 / 50

Heavy and light body impression materials are use with______________?

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