Biomaterial Test

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5 votes, 5 avg
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Biomaterial Test

 

1 / 60

In deep caities, the resin which remains unpolymerized can cause 😕

2 / 60

The physical properties most desirable in set amalgam are which of the following ?

3 / 60

Which one of the following mixing methods permits the escape of dental amalgam mercury vapor ?

4 / 60

Which of the following statements about adhesion of composite restorations to tooth structure are true ?

5 / 60

Setting time of alginate can be better controlled by 😕

6 / 60

Excess composite from the labial surfaces can be removed by using 😕

7 / 60

The fluoride release from glass ionomer cement is 😕

8 / 60

Minimum light exposure time for composite resins should be 😕

9 / 60

Calcium hydroxide is used for 😕

10 / 60

Potato starch is contained in which impression material ?

11 / 60

Wrought metal 😕

12 / 60

Polyether is different from other elastomers in the following aspects 😕

13 / 60

Clinical significance of smear layer :

14 / 60

For luting purpose, the film thickness should be 😕

15 / 60

The temperature at which a solid changes to liquid is known as its 😕

16 / 60

Which of the following mixing methods permits the escape of dental amalgam mercury vapor ?

17 / 60

The greatest amount of dimensional change after setting is exhibited by 😕

18 / 60

Glass ionomer cenment is not recommended for 😕

19 / 60

Gold casting alloys are classified as type I, II, III or IV among these, having highest hardness is 😕

20 / 60

Which of the following sentences describes the construction of removable partial dentures ?

21 / 60

Impression compound is characterized by 😕

22 / 60

Which has the highest viscoelastic property and requires more time to recover from deformation ?

23 / 60

Carnauba wax is preferred to candelilla wax as 😕

24 / 60

Stearic acid in impression compound 😕

25 / 60

Elgiloy arch wire is 😕

26 / 60

Wet porcelain is condensed properly before firing to enhance all the properties except : ?

27 / 60

Which of the following waxes is obtained from distillation of petroleum ?

28 / 60

The primary difference between low- and high-copper amalgams is which of the following ?

29 / 60

Which of the following statements about laboratory composites are true ?

30 / 60

Which of the following statements is true regarding zinc phosphate cement ?

31 / 60

Nickel sensitivity in the general population is 😕

32 / 60

Which of the following components acts as a refractory material in porcelain ?

33 / 60

All are properties of waxes except 😕

34 / 60

The impression material which is routinely used in auto mixing devicee system is 😕

35 / 60

The most effective cement in stimulating tertiary dentin is 😕

36 / 60

Working time of denture resin should be at least 😕

37 / 60

The catalyst used for condensation silicones is 😕

38 / 60

Which of these statements are correct in terms of preparing a correctly triturated mass of amalgam ?

39 / 60

Which one of the following phases in dental amalgam restoration has the best mechanical properties ?

40 / 60

Commonly used filler in composite is 😕

41 / 60

The purpose of burnishing the amalgam after condensation is to 😕

42 / 60

Amalgam is less prone to corrosion 😕

43 / 60

Dental personnel can do which one of the following to limit their exposure to mercury ?

44 / 60

Which of the following base is contraindicated for composites ?

45 / 60

A direct restorative material used frequently to restore a portion of a posterior tooth that is subject to large biting forces would possess which of the following properties ?

46 / 60

Once amalgamation has occurred, which of the following is true of mercury ?

47 / 60

Which one of the following is not true about high-copper dental amalgam restorations ?

48 / 60

Silver in the set amalgam alloy tends to have the following effect 😕

49 / 60

A portion of a posterior tooth that is subject to high biting forces would likely be restored with which of the following ?

50 / 60

Resistance of a liquid to motion is called 😕

51 / 60

The reason for hydroxyapatite coating on implant biomaterials is 😕

52 / 60

The main resin constituent of polishable composite resin is 😕

53 / 60

Full denture bases are usually made from which of the following materials ?

54 / 60

Which of the following phases in dental amalgam restoration has the best mechanical properties ?

55 / 60

When the gold content of gold alloys increases 😕

56 / 60

An anterior fixed partial denture could have facings constructed of which of the following materials ?

57 / 60

One of the disadvantages of using quartz as filler in restorative resin is 😕

58 / 60

In visible light-cured composites photo initiator molecule is 😕

59 / 60

A measure of ductility of a material is referred to as 😕

60 / 60

Following are the functions of impression compound except 😕

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