Dental Materials Quiz 3

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Dental Materials Quiz 3

1 / 50

Inadequate pressure application during flasking_______________?

2 / 50

What is the recommended for condensation of dental amalgam ?

3 / 50

Most flexible impression material______________?

4 / 50

Type III Dental gypsum is__________________?

5 / 50

Impurities in casting is removed by________________?

6 / 50

Denture acrylics contain cross-linking agents mainly to improve their_____________?

7 / 50

Putty wash technique_________________?

8 / 50

Which of the following is present in the powder of the acrylic resin______________?

9 / 50

The first porcelain tooth material was introduced by______________?

10 / 50

Syneresis seen in hydrocolloid gel is______________?

11 / 50

Setting time of Amalgam is best controlled by _______________?

12 / 50

Impression compound base_____________?

13 / 50

Which of the following cements bonds to tooth structure, which has an anticariogenic effect, has a degree of translucency and does not irritate the pulp ?

14 / 50

The threshold limit value of mercury exposures is_______________?

15 / 50

Stress in defined as_______________?

16 / 50

The % of free monomer in a heat ? cured acrylic resin is_______________?

17 / 50

MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?

18 / 50

Shape memory is seen in________________?

19 / 50

The most common coupling agents are organic silicon compound called_______________?

20 / 50

With indirect spruing. Which one of the following porosities can be minimised_______________?

21 / 50

In a patient with allergy to costume jewelry, which of the following is contraindicated______________?

22 / 50

For adhesion to be present between solid and liquid________________?

23 / 50

Admixed high copper alloy powder contains_________________?

24 / 50

Tublulence of molten gold is due to _____________?

25 / 50

In method of firing: A shorter firing period at a higher temperature is considered better_______________?

26 / 50

The cross linking agent of polysulphide rubber base impression material is______________?

27 / 50

The hygroscopic technique is associated with______________?

28 / 50

Which of the following phases of dental amalgam has minimum strength____________?

29 / 50

All of the following are true for traditional solution liner, except_________________?

30 / 50

Stage recognized in the firing of dental porcelain given below. Which of state is not correct ?

31 / 50

Which of the following is correct arrangement of impression material regarding linear contraction in ascending order ?

32 / 50

Mercury intoxication in dental office mainly results from____________?

33 / 50

The main advantage of composites over unfilled direct filling resin is their_____________?

34 / 50

Marginal leakage related to temperature change occurs to the greatest extent with_______________?

35 / 50

What is the minimum thickness of the elastomeric impression material for an accurate impression_______________?

36 / 50

The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?

37 / 50

The pattern for the metallic framework of a removable partial denture is fabricated from________________?

38 / 50

Syneresis is associated with______________?

39 / 50

Which of the following impression materials is easy to pour and difficult to remove the stone cast from the impression ?

40 / 50

A good adhesive should possess all of the following EXCEPT________________?

41 / 50

Composite has_______________?

42 / 50

Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?

43 / 50

Electralloy is an alloy of________________?

44 / 50

Insufficient closure of the flasks during packing of denture base resin can result in_____________?

45 / 50

Angles between Adhesive and Adherent is Zero degree, it indicates_______________?

46 / 50

4th state of matter is______________?

47 / 50

Decrease in creep occurs in_______________?

48 / 50

Glossy smooth margins of a casting are due to_____________?

49 / 50

In a high copper amalgam the phase, which is eliminated is_______________?

50 / 50

In plaster of paris the setting time is primarily altered by_________________?

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