Dental Materials Quiz 8
1 / 50
Binder used in Gypsum investment is_________________?
2 / 50
What is common in amalgam and ceramics ?
3 / 50
Munsell system is used to_________________?
4 / 50
Air bubbles formed on the surface of casting is probably due to________________?
5 / 50
Which is not true about high copper amalgam alloys______________?
6 / 50
The best fuel gas when used with oxygen is______________?
7 / 50
Boiling point of methyl methacrylate________________?
8 / 50
Palladium is added to polyvinyl siloxane to_____________?
9 / 50
Which of the following provide opacity to composite ?
10 / 50
The most commonly used Titanium alloy for dental and medical purposes is________________?
11 / 50
If resin is packed in sandy stage what will be seen in the processed denture ?
12 / 50
The particle size in microfilled composites is_____________?
13 / 50
The logical explanation for the unique anticariogenic property of most silicate cements is______________?
14 / 50
Syringe material is______________?
15 / 50
Linear contraction of elostomeric impression with passage of time is highest in______________?
16 / 50
The function of the coupling agent in a restorative resin is to allow______________?
17 / 50
Dimensional stability of hydrocolloid impressions may be achieved by_________________?
18 / 50
Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid_______________?
19 / 50
A laminate impression technique utilizes_______________?
20 / 50
Which glass ionomer cement develops early resistance to water intake on setting ?
21 / 50
The forces that hold atoms together are called_____________?
22 / 50
Powdered gold is___________________?
23 / 50
Dendrites in cst alloys form by mechanism of_________________?
24 / 50
The solid solution of silver and mercury is called_______________?
25 / 50
Brinnel hardness number of a dental gold alloy is directly proportional to its______________?
26 / 50
Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?
27 / 50
The product, which is obtained by calcining gypsum under steam pressure at 120-130?C or by dehydrating gypsum in the presence of sodium succinate is_______________?
28 / 50
Waxes are used for_______________?
29 / 50
The process of changing the rubber base product or liquid polymer, to a rubber like material is generally known as_____________?
30 / 50
Elastomers except: Polyether are_______________?
31 / 50
In porcelain metal elements are embedded in the matrix of________________?
32 / 50
Coefficient of thermal expansion of metal-ceramic alloys is________________?
33 / 50
Use of dimethyl-P-toluidine is indicated for_______________?
34 / 50
During setting of alginate impression materials________________?
35 / 50
Best impression material to be used for securing impression after crown preparation_______________?
36 / 50
All of the following is used as accelerator in zinc oxide eugenol cement except_____________?
37 / 50
In self-cure acrylic resin, activator is_____________?
38 / 50
Which of the following are characteristic feature of high copper amalgam alloy ?
39 / 50
The effect of trituration on strength in an amalgam restoration depends on______________?
40 / 50
Impression compound has which of the following characteristic property ?
41 / 50
The strain that occurs when a material is stressed to its proportional limit is______________?
42 / 50
Secondary caries is least likely seen with_______________?
43 / 50
Solder and flux used for joining Elgiloy wires are_____________?
44 / 50
Which of the following will produce the most rigid restoration for framework of same dimension ?
45 / 50
Before pouring an elastic impression it is washed with slurry of water and stone to______________?
46 / 50
Glass ionomer cements are composed of______________?
47 / 50
Final product in alginate is________________?
48 / 50
Setting of POP is result of______________?
49 / 50
Modulus of elasticity means_______________?
50 / 50
Acid-etching is done for_______________?
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