Dental Materials Quiz 4
1 / 50
Which of the following best describes the working time of elastomeric impression material ?
2 / 50
The cement Which is least soluble in oral cavity______________?
3 / 50
The melting point of silver is_____________?
4 / 50
The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?
5 / 50
What is the disadvantage of using composites as restorative material ?
6 / 50
The ideal temperature of water bath for softening fluid wax is about________________?
7 / 50
Rinsing of the impression is important to________________?
8 / 50
Which one of the following elements is NOT added is small amount to be used as grain refiners ?
9 / 50
Dustless alginate is produced by______________?
10 / 50
During amalgamation, trituration is done to_____________?
11 / 50
The term trituration means____________?
12 / 50
Polycarboxylate cement is used for_____________?
13 / 50
Dynamic creep is the______________?
14 / 50
Titanium casting is done_____________?
15 / 50
Which cement is irritating to the pulp ?
16 / 50
By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________?
17 / 50
Suck back porosity in the casting can be eliminated by________________?
18 / 50
Which of the following inhibitor accelerator system uses light activation composite ?
19 / 50
Mode of failure during dislodgement of prosthesis cemented with zinc poly carboxylate cement is usually seen at the_____________?
20 / 50
Macromolecules in Dental Resin is attached by______________?
21 / 50
Cause of expansion in zinc containing amalgam is_____________?
22 / 50
Name the accelerator used in Zinc oxide eugenol paste______________?
23 / 50
Plaster of paris _____________?
24 / 50
Absorption of mercury in the human body occurs least from_____________?
25 / 50
Which one of the following is not an objective of trituration ?
26 / 50
The term ordered hardening heat treatment used in which of the following dental alloys ?
27 / 50
Porosity in porcelain at condensation stage depends on_________________?
28 / 50
Most biocompatible material in oral cavity is_______________?
29 / 50
Which zone is the hottest and efficient burning zone of the flame used for casting ?
30 / 50
Minimum flow of Type-I impression compound at mouth temperature is___________________?
31 / 50
Gallium and indium added to Amalgam replace______________?
32 / 50
Type I and Type II zinc oxide impression paste differ with respect to_______________?
33 / 50
Inelastic impression material is_____________?
34 / 50
The most mucostatic impression material is_______________?
35 / 50
What fraction of inhaled mercury vapors retained in the body ?
36 / 50
Inorganic phase of the composites aid in_______________?
37 / 50
The function of 2% potassium sulphate in a gypsum product is_____________?
38 / 50
Non metal which conducts elactricity______________?
39 / 50
Advantage of zinc containing amalgam is_______________?
40 / 50
Which of the following releases single wavelength of energy ?
41 / 50
Rough and irregular surface produced on the impression is because of ?
42 / 50
Pyroplastic flow of porcelain is due to___________________?
43 / 50
Which of the following show chemical bond with enamel (Calcified tissues)______________?
44 / 50
In non zinc containing dental amalgam alloy the percentage of zinc present is______________?
45 / 50
Acrylic resins are used for______________?
46 / 50
All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?
47 / 50
Which of the following decrease with strain hardening______________?
48 / 50
Strength of zinc phosphate is effected by_______________?
49 / 50
Cobalt-Chrominum alloys contains_______________?
50 / 50
Finishing and polishing of Amalgam make the restoration______________?
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