Dental Materials Quiz 11
1 / 50
The Zinc oxide-eugenol impression pastes harden by________________?
2 / 50
Which is gypsum product_______________?
3 / 50
A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?
4 / 50
Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?
5 / 50
Heat hardening is the process done at_______________?
6 / 50
Softening heat treatment of alloy increases_________________?
7 / 50
Which one of the following is used as filler in composite resins ?
8 / 50
Dimensional stability of elastomeric impression material can be given in descending order as_____________?
9 / 50
Which one of the following is most elastic ?
10 / 50
Investment material used for cobalt-chromium alloys is_____________?
11 / 50
Die is________________?
12 / 50
Copper content in low copper amalgam is________________?
13 / 50
The yield strength of AUstenite (NiTi alloy) is______________?
14 / 50
The proportional limit is defined as______________?
15 / 50
The base constituents of dental waxes come from three main sources except______________?
16 / 50
The function of a sprue is to_______________?
17 / 50
Which material is the most difficult to remove from the patients mouth ?
18 / 50
The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?
19 / 50
The chief advantage of zinc phosphate cement is its___________?
20 / 50
Gypsum product having least expansion_____________?
21 / 50
The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?
22 / 50
Increased amount of powder in zinc phosphate cement mixture will cause_______________?
23 / 50
Model plaster (white) used to cast study models before mixing with water, is largely composed of____________?
24 / 50
The effect of zinc oxide-eugenol on the pulp ?
25 / 50
Which of the following does not occur in High Copper Amalgam ?
26 / 50
Which of the following procedure is indicated to produce cross-linking in the polymerization of linear chains of acrylic_______________?
27 / 50
Which material undergoes hysteresis ?
28 / 50
The setting of zinc phosphate may be retarded by ?
29 / 50
Cavity varnishes have_____________?
30 / 50
When porcelain is basked against metal, it should possess a________________?
31 / 50
The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________?
32 / 50
ADA specification number of gypsum products are described under____________?
33 / 50
Which of the following fuel gases used for soldering, has the highest heat content______________?
34 / 50
Palatal secretions affect the setting of all the impression materials except_______________?
35 / 50
Compared with dental alloys, CERAMICS show____________________?
36 / 50
The point at which a stress of a material exhibits a specific limited deviation P is called_______________?
37 / 50
Ag-Cu eutectic alloy has a characteristic Property of that fusion temp of_____________?
38 / 50
Inlay wax is used to_______________?
39 / 50
Corrosion of stainless steel is due to formulation of_________________?
40 / 50
Which one of the following dental cement accelerates the formation of reparative dentin ?
41 / 50
Water of reaction needed to react completely with 100 g of calcium sulphate hemihydrates to convert it to calcium sulphate dihydrate______________?
42 / 50
Gold content of an 18 carat alloy is______________?
43 / 50
The impression for a diagnostic cast of a partial edentulous mouth should be taken in_______________?
44 / 50
Alginates are made dust free by adding______________?
45 / 50
What is the most frequently used restorative material ?
46 / 50
When Gold fused with porcelain is fired at very high temperature greenish discoloration of cervical margin is due to________________?
47 / 50
Which is the use of boxing an impression______________?
48 / 50
The impression material used to record the prepared areas on abutment teeth is______________?
49 / 50
The major component of zinc phosphate cement is_____________?
50 / 50
Phenomenon in which porcelain appears different under varying light condition is______________?
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