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Dental Materials Quiz 1

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Dental Materials Quiz 1

1 / 50

Which of the following cements is most irritant to pulpal tissues ?

2 / 50

Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?

3 / 50

Which component of zinc oxide-eugenol cement gives its strength ?

4 / 50

The dual cure cements should not be used with light transmitting prostheses thicker than____________?

5 / 50

Amalgam achieves 70% of the strength by____________?

6 / 50

Which of the following is not true about elastomeric impression ?

7 / 50

The latest method of curing denture base resins______________?

8 / 50

Cross linking in denture base resin is contributed by_____________?

9 / 50

Materials which has high compressive strength and low tensile strength is classified with property of________________?

10 / 50

Which of the following cements is most biocompatible with pulp ?

11 / 50

The effects associated with cold working can be eliminated by a heat treatment called______________?

12 / 50

Which of the following properties of dental materials is time dependent_______________?

13 / 50

The main purpose of adding metallic oxides in ceramic is________________?

14 / 50

Best material for duplicating cast is_______________?

15 / 50

Stainless steel is used mostly in dentistry_________________?

16 / 50

Light cure system, side effect is____________?

17 / 50

Quartz is added to gypsum bonded investment to______________?

18 / 50

A technique of combining reversible and irreversible hydrocolloid that could bond to irreversible hydrocolloid is known as________________?

19 / 50

Pitting of direct filling old restoration usually results from_________________?

20 / 50

When solid gets wet completely contact angle is______________?

21 / 50

Advantage of zinc phosphate over GIC is______________?

22 / 50

Crocus cloth is________________?

23 / 50

Ideal requirement of metal ceramic casting____________?

24 / 50

Quartz tungsten light cure device minimum output of energy should not be less than_____________?

25 / 50

Which of the following is correct regarding chemical setting of condensation silicone_______________?

26 / 50

Which is true regarding lathe cut silver alloy_______________?

27 / 50

Increase in the residual mercury in silver amalgam filling can_____________?

28 / 50

Rapid removal of rubber impression with a single firm motion results in____________________?

29 / 50

Mercury is toxic because it_____________?

30 / 50

Which of the following is most important in strength ZOE_____________?

31 / 50

Finer particle size of silica______________?

32 / 50

pH of fully set zinc phosphate______________?

33 / 50

The cavity varnish applied reduces post operative sensitivity in amalgam restoration by____________?

34 / 50

Which of the following do polycarboxylate and GIC have in common ?

35 / 50

During soldering, the solidus temperature of the filler material should be_____________?

36 / 50

The impression with the least dimensional change upon disinfection is_______________?

37 / 50

Which of the following is used as surface hardener in Impression material ?

38 / 50

Microstructure of cobalt chromium alloy in cast condition is______________?

39 / 50

Which of the following is an example of a composite material ?

40 / 50

The solvent flux used for base metal soldering is_______________?

41 / 50

Maxwell ? Voigt Model is to determine________________?

42 / 50

Which of the following impression material is rigid ?

43 / 50

KHN of enamel is close to______________?

44 / 50

Gap between true end of casting ring and wax pattern should be______________?

45 / 50

The type of spatula used to mix composite is________________?

46 / 50

The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?

47 / 50

A material which partially transmits light & partially scatters it________________?

48 / 50

Alginates are_____________?

49 / 50

Which of the following is correct glass transition temperature of Impression compound ?

50 / 50

Which of the following absorbs maximum amount of water ?

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