Dental Materials Quiz 10
1 / 50
Amalgam achieves 70% of the strength by____________?
2 / 50
The setting expansion of gypsum products can be reduced by________________?
3 / 50
Which of the following acts as accelerator in Zinc oxide eugenol______________?
4 / 50
Which of the following best describes the working time of impression material ?
5 / 50
Plaster of paris is mixed in________________?
6 / 50
Two in one stage impression materials include______________?
7 / 50
Balanced stone is dental stone_______________?
8 / 50
The advantage of ZOE impression paste_______________?
9 / 50
Perforated impression tray are used for_______________?
10 / 50
Sol ? gel transformation is seen in________________?
11 / 50
Nickel-Titanium alloy has__________________?
12 / 50
Type I gypsum product is also called_______________?
13 / 50
K2SO4 in agar-agar is for_______________?
14 / 50
The material used in its pure form in dentistry is______________?
15 / 50
According of ADA specification No or number 1, the minimum compressive strength for silver amalgam filling aftr one hour should be________________?
16 / 50
Ductility of a material is a measure of it?s_______________?
17 / 50
A thinner mix of a gypsum bonded investment will_______________?
18 / 50
When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________?
19 / 50
The role of magnesium chloride in zinc oxide eugenol impression paste_________________?
20 / 50
Masterial causing minimum tissue distortion is______________?
21 / 50
Which of the following is function of fluoride flux in soldering process ?
22 / 50
The tow cements which hold with the tooth are_______________?
23 / 50
Asbestos liner is used in a casting ring to________________?
24 / 50
The cohesive gold used as bulk filler is_____________?
25 / 50
Etching of dentin does not include_____________?
26 / 50
Which of the following constituents of amalgam alloy decreases expansion____________?
27 / 50
Passivating alloys are_______________?
28 / 50
Gillmore needle is used for_______________?
29 / 50
Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________________?
30 / 50
Coefficient of thermal expansion of which of following is most similar to that of tooth ?
31 / 50
Indium in metal alloys_______________?
32 / 50
Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?
33 / 50
Direct filling gold formed by electrolytic precipitation is called by all the terms EXCEPT______________?
34 / 50
Quartz is Dental porcelain is______________?
35 / 50
In reversible hydrocolloid the property by which the transformation from sol to gel and gel to sol is a function of the_____________?
36 / 50
The purity of gold is expressed in________________?
37 / 50
Porosity of denture base is due to_______________?
38 / 50
Porosity present in a acrylic denture is usually the result of______________?
39 / 50
Stabilization of stainless steel is achieved by adding____________?
40 / 50
Chronic mercury toxicity results from_____________?
41 / 50
The main components is sillicophosphate cement________________?
42 / 50
Elastomers are_________________?
43 / 50
Subsurface porosity is due to_____________?
44 / 50
The tarnished layer of silver amalgam consists of________________?
45 / 50
The highest mercury concentration in amalgam filling is found_____________?
46 / 50
Machineable glass ceramic is________________?
47 / 50
Hydroquinone is added to methyl methacrylate monomer_________________?
48 / 50
Retarder in Zinc oxide eugenol is______________?
49 / 50
Brazilian test is used to determine the ultimates tensile strength of_________________?
50 / 50
Over-trituration of silver alloy and mercury_______________?
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