Dental Materials Quiz 12

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Dental Materials Quiz 12

1 / 68

Function of carnauba wax_________________?

2 / 68

If resin is packed in sandy stage what will be seen in the processed denture ?

3 / 68

Lenolin is added is ZOE paste to______________?

4 / 68

For dental amalgam, the elastic modulus and tensile strength is______________?

5 / 68

Immediate pouring of impressions is most critical in_____________?

6 / 68

Radio opacity to composite resins is rendered by_______________?

7 / 68

Most preferable cement for temporary restoration______________?

8 / 68

Which of the following is true about Agar hydrocolloid impression material ?

9 / 68

The opacity in ceramics is achieved by adding_______________?

10 / 68

VLC resins are also called as______________?

11 / 68

To cure a heat cure resin, a proper heating cycle is necessary_____________?

12 / 68

The maximum carbon content of steel used in dentistry is__________________?

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Which of the following impression material is elastic________________?

14 / 68

Amalgam means_____________?

15 / 68

One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?

16 / 68

The best pickling solution for gypsum bonded investment is_______________?

17 / 68

Cleaning of base metal alloy is done by______________?

18 / 68

Which of the following cements is contraindicated in mouth breathers_______________?

19 / 68

A patient who has had a recent amalgam filling in the upper teeth has a gold filling in the lower teeth, the patient complains of pain. The reason for this can be mainly_____________?

20 / 68

Casting flux is used to_______________?

21 / 68

Well premeasured capsules of amalgam can release mercury vapour during_______________?

22 / 68

A material which is a mixture of two different materials and its properties are_____________?

23 / 68

Agar is prepared from_______________________?

24 / 68

The ability of the base to resist occlusal forces and to support the restoration is affected by_______________?

25 / 68

About zinc oxide eugenol all are true except_______________?

26 / 68

Eugenol may be replaced in the zinc oxide eugenol cement by______________?

27 / 68

Which of the following zones is used for melting alloy during casting______________?

28 / 68

In type II gold alloys _______ Karat gold is used?

29 / 68

Outstanding clinical performance of dental amalgam restoration is related to its____________?

30 / 68

Gypsum bonded investment should not be heated over______________?

31 / 68

The strength of gypsum prouducts is generally expressed in terms of______________?

32 / 68

Which of the following fuel gases is the best choice of heat source to carry out soldering process ?

33 / 68

Pickling________________?

34 / 68

Hysteresis in a hydrocolloid gel is______________?

35 / 68

Suck back porosity is due to_________________?

36 / 68

The main ingredient in dental plaster in_______________?

37 / 68

Most mucostatic among the following_____________?

38 / 68

Crucible indicated for casting base metal alloys is______________?

39 / 68

No trail closure is necessary with which one of the technique during denture fabrication_____________?

40 / 68

Acrylic (cold cure)______________?

41 / 68

The most toxic form of mercury is_________________?

42 / 68

Porosity in porcelain can be prevented by_______________?

43 / 68

Average particle size of powdered gold is________________?

44 / 68

Which of the following component acts as an accelerator in ZOE impression paste ?

45 / 68

Dispersion of crystalline phase to strengthen ceramics results in_________________?

46 / 68

Vulcanization refers to the setting of__________________?

47 / 68

Gelation temparature of agar is between________________?

48 / 68

Fins and spines on the casting is seen due to_______________?

49 / 68

Benzoin methyl ether in a polymer indicates that they may be cured in the presence of________________?

50 / 68

A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct______________?

51 / 68

Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?

52 / 68

Setting time of ZOE is best controlled by______________?

53 / 68

Impression techniques are used for recording________________?

54 / 68

What is the working time of amalgam?

55 / 68

Which of the following increases castability of base metal alloys________________?

56 / 68

Dental porcelains are crystalline materials of________________?

57 / 68

To make the vinyl Polysiloxane hydrophilic the following is added_______________?

58 / 68

Property of the material, which describes the resistance to abrasion, is_________________?

59 / 68

Which one of the following increase the strength and reduce viscosity of agar hydrocolloid impression material_____________?

60 / 68

Condensation shrinkage of porcelain during firing depends on__________________?

61 / 68

Opaque porcelain________________?

62 / 68

Residual monomer content of chemically activated resins is______________?

63 / 68

Etchant preferred in gel from than in liquid form________________?

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In spherical alloys as compared to lathe cut____________?

65 / 68

Porcelain is best fired__________________?

66 / 68

Impression compound is characterized by all of the following except_______________?

67 / 68

Which of the following cements have anti cariogenic properly________________?

68 / 68

The linear solidification shrinkage of Type IV Ni-Cr based alloys is_______________?

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