Biomaterial Test

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Biomaterial Test

 

1 / 60

A glaze is placed over the finished composite restoration to πŸ˜•

2 / 60

Ideal method firing of porcelain is by using πŸ˜•

3 / 60

In alginate impression the final gel is πŸ˜•

4 / 60

Which of the following elastomers is suited for multiple cast pouring πŸ˜•

5 / 60

The impression material which is routinely used in auto mixing devicee system is πŸ˜•

6 / 60

The function of gum dammar in inlay wax is πŸ˜•

7 / 60

Acrylic resins are used in which of the following ?

8 / 60

Which of the following statements about laboratory composites are true ?

9 / 60

Property which distinguishes composites from filled acrylic resins πŸ˜•

10 / 60

Which of the following polymer systems are used for the organic matrix in composites ?

11 / 60

Wrought metal πŸ˜•

12 / 60

Which one of the following phases in dental amalgam restoration is most prone to electrochemical corrosion ?

13 / 60

Following are the functions of impression compound except πŸ˜•

14 / 60

The reason for hydroxyapatite coating on implant biomaterials is πŸ˜•

15 / 60

The following statements about dental porcelains are true except πŸ˜•

16 / 60

The temperature at which a solid changes to liquid is known as its πŸ˜•

17 / 60

Crystalline materials have πŸ˜•

18 / 60

For proper wetting, contact angle should be ideally πŸ˜•

19 / 60

Thermal conductivity is proportional to πŸ˜•

20 / 60

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

21 / 60

Which statements are true for bonding of amalgam to tooth structure ?

22 / 60

A full crown on a maxillary anterior tooth may be restored with which of the following restorative materials ?

23 / 60

Zinc oxide eugenal impression should be removed from oral cavity :

24 / 60

Which of the following is the best choice of restorative material to achieve moderate to high strength, fluorite release, and esthetics ?

25 / 60

Sulfur contamination from natural latex gloves inhibits the setting of πŸ˜•

26 / 60

Minimum light exposure time for composite resins should be πŸ˜•

27 / 60

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

28 / 60

Gypsum investments should not be heated above πŸ˜•

29 / 60

The energy absorbed by a material when it is stressed to its proportional limit is πŸ˜•

30 / 60

Condensation of porcelain is done by all the methods except πŸ˜•

31 / 60

KHN of enamel is πŸ˜•

32 / 60

One of the following statements which one is incorrect regarding addition silicones πŸ˜•

33 / 60

Binder in the phosphate investment is πŸ˜•

34 / 60

Dental porcelains are manufactured by a process termed as πŸ˜•

35 / 60

The light from the visible light curing unit can cause πŸ˜•

36 / 60

Which of the following metals currently are used in dental alloys ?

37 / 60

Which of the following waxes used to align of castings before soldering ?

38 / 60

Biting force in the molar region ranges from πŸ˜•

39 / 60

Commonly used viscosity controller in composites is πŸ˜•

40 / 60

Hydrocolloid impression should be removed from the mouth with a sharp jerk because πŸ˜•

41 / 60

Which of the following initiator-accelerator systems is needed for a light-activated composite?

42 / 60

Working time of denture resin should be at least πŸ˜•

43 / 60

Distortion on removal from undercuts in addition silicones is very less due to πŸ˜•

44 / 60

The constituent that acts as a binder in the investment is πŸ˜•

45 / 60

Which of the following statements about compomers are true ?

46 / 60

A potentially toxic element in base metal alloys is πŸ˜•

47 / 60

Which of the following uses a hardened steel ball indenting tool ?

48 / 60

For each property, list the amalgam type (irregular low-copper, admixed high-copper, and spherical high-copper ) that has the highest value?.

49 / 60

Silver in the set amalgam alloy tends to have the following effect πŸ˜•

50 / 60

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

51 / 60

In an alloy oxygen scavenger is πŸ˜•

52 / 60

Which of the following properties are higher for microhybrid composites than for microfilled composites ?

53 / 60

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

54 / 60

Strength of dental porcelain is dependent on πŸ˜•

55 / 60

One of the following statements which one is incorrect regarding polyether :

56 / 60

Bis-GMA is a reaction product of πŸ˜•

57 / 60

A small portion of an anterior tooth would most likely be restored with which of the following ?

58 / 60

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

59 / 60

The restorative material used to restore a small portion of an anterior tooth should have which of the following properties ?

60 / 60

A measure of ductility of a material is referred to as πŸ˜•

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