Dental Materials Quiz 2
1 / 50
Which of the following cements is most kind to pulp ?
2 / 50
Silicate cement is indicated in________________?
3 / 50
One bottle system of adhesive resins_____________?
4 / 50
What is the working time of zinc polyacrylate cement ?
5 / 50
How soon after a moisture contamination does a zinc containing amalgam alloy start expanding________________?
6 / 50
The component in very minor quantity in stainless steel that changes the properties to a maximum level is____________?
7 / 50
The setting time of ZnPO4 cement can be retarded by_____________?
8 / 50
Powders of dental plaster and dental stone differ mainly in____________?
9 / 50
Impression plaster is_____________?
10 / 50
The plasticizers used in polyether impression material is_______________?
11 / 50
Apart from composites and ceramics, another material that could be copy milled easily and inexpensively is_________________?
12 / 50
Advantage of titanium over other base metal alloys_______________?
13 / 50
The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as_____________?
14 / 50
The stiffness of a dental gold alloy is determined by its________________?
15 / 50
Hardness number which does not depend on the ductility of metal_____________?
16 / 50
A common electrolyte used for plating copper indirect dies is_______________?
17 / 50
Hardening solutions are used with impression made of________________?
18 / 50
The best way to remove a hydrocolloid impression from the patient?s mouth is____________?
19 / 50
Strain is defined as_____________?
20 / 50
The temperature (in ?F) of the mixing slab for silicate cements should be_____________?
21 / 50
The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is____________?
22 / 50
Setting expansion is advantageous in__________________?
23 / 50
The sprue in wax pattern should be placed________________?
24 / 50
Ethoxy benzoic acid increases the strength and solubility of the cement______________?
25 / 50
The restoration which shows percolation and shrinkage along the margins is_____________?
26 / 50
One of the most important advantages of truly elastic impression material would be its capacity for______________?
27 / 50
Percentage of zinc in ZOE cement is__________________?
28 / 50
Insufficient closure of the flasks during packing of denture base resin can result in_____________?
29 / 50
Which phase provides maximum strength in hardened mercury/silver alloy ?
30 / 50
Compared with noble metals, base metals show_______________?
31 / 50
Composite resins in comparison to acrylic have_______________?
32 / 50
The contraction of gold alloy on solidifying is approximately_____________?
33 / 50
In non-eugenol pastes the constituents are mixed in______________?
34 / 50
The pure form of gold used in dentistry is known as___________________?
35 / 50
Most rigid elastomer is___________________?
36 / 50
Once triturated, the Dental amalgam should be condensed with in_____________?
37 / 50
The dental amalgam is most resistant to________________?
38 / 50
Which of the following silver amalgam alloy have the maximum strength________________?
39 / 50
Frozen slab technique is applicable to_____________?
40 / 50
Addition of large amounts of platinum to a casting gold alloy will________________?
41 / 50
Moisture contamination of amalgam can lead to_____________?
42 / 50
Clogging of an abrasive wheel with debris causing reduction of abrasive action is called________________?
43 / 50
Ceramics fired to metals are processed by_______________?
44 / 50
Tempering of steel cause________________?
45 / 50
Hypersensitivity reactions like contact dermatitis can be caused by______________?
46 / 50
Which of the following is true about direct filling gold______________?
47 / 50
Liquids which become more rigid as the rate of deformation increases is termed as_____________?
48 / 50
Thickness of luting cement is_____________?
49 / 50
During polymerisation of acrylic resin, above what temperature benzoyl peroxide form freeradicals_______________?
50 / 50
The commonly used laser for curing composite resin is______________?
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