Dental Materials Quiz 3
1 / 50
In plaster of paris the setting time is primarily altered by_________________?
2 / 50
The pattern for the metallic framework of a removable partial denture is fabricated from________________?
3 / 50
Putty wash technique_________________?
4 / 50
Tublulence of molten gold is due to _____________?
5 / 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 ?
6 / 50
Denture acrylics contain cross-linking agents mainly to improve their_____________?
7 / 50
Marginal leakage related to temperature change occurs to the greatest extent with_______________?
8 / 50
Electralloy is an alloy of________________?
9 / 50
Which of the following is present in the powder of the acrylic resin______________?
10 / 50
With indirect spruing. Which one of the following porosities can be minimised_______________?
11 / 50
Shape memory is seen in________________?
12 / 50
The cross linking agent of polysulphide rubber base impression material is______________?
13 / 50
Type III Dental gypsum is__________________?
14 / 50
Composite has_______________?
15 / 50
Impurities in casting is removed by________________?
16 / 50
Most flexible impression material______________?
17 / 50
The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?
18 / 50
What is the recommended for condensation of dental amalgam ?
19 / 50
In a high copper amalgam the phase, which is eliminated is_______________?
20 / 50
The threshold limit value of mercury exposures is_______________?
21 / 50
The most common coupling agents are organic silicon compound called_______________?
22 / 50
What is the minimum thickness of the elastomeric impression material for an accurate impression_______________?
23 / 50
All of the following are true for traditional solution liner, except_________________?
24 / 50
The hygroscopic technique is associated with______________?
25 / 50
For adhesion to be present between solid and liquid________________?
26 / 50
Decrease in creep occurs in_______________?
27 / 50
Setting time of Amalgam is best controlled by _______________?
28 / 50
In a patient with allergy to costume jewelry, which of the following is contraindicated______________?
29 / 50
Stress in defined as_______________?
30 / 50
Syneresis seen in hydrocolloid gel is______________?
31 / 50
Which of the following phases of dental amalgam has minimum strength____________?
32 / 50
In method of firing: A shorter firing period at a higher temperature is considered better_______________?
33 / 50
Angles between Adhesive and Adherent is Zero degree, it indicates_______________?
34 / 50
Inadequate pressure application during flasking_______________?
35 / 50
4th state of matter is______________?
36 / 50
MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?
37 / 50
A good adhesive should possess all of the following EXCEPT________________?
38 / 50
The % of free monomer in a heat ? cured acrylic resin is_______________?
39 / 50
Mercury intoxication in dental office mainly results from____________?
40 / 50
Glossy smooth margins of a casting are due to_____________?
41 / 50
Stage recognized in the firing of dental porcelain given below. Which of state is not correct ?
42 / 50
Syneresis is associated with______________?
43 / 50
Impression compound base_____________?
44 / 50
Insufficient closure of the flasks during packing of denture base resin can result in_____________?
45 / 50
Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?
46 / 50
The first porcelain tooth material was introduced by______________?
47 / 50
Admixed high copper alloy powder contains_________________?
48 / 50
Which of the following is correct arrangement of impression material regarding linear contraction in ascending order ?
49 / 50
Which of the following impression materials is easy to pour and difficult to remove the stone cast from the impression ?
50 / 50
The main advantage of composites over unfilled direct filling resin is their_____________?
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