A. 6%
B. 12-30%
C. 29%
D. 19%
Copper content in low copper amalgam is________________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Lathe cut
B. Spherical
C. Admixed
D. Single composition
Which of the following silver amalgam alloy have the maximum strength________________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Silicate
B. Amalgam
C. Composite
D. Gold
What is the most frequently used restorative material ? Read More »
Amalgams, Dental Materials, Medical Mcqs A. 24 hours
B. 1-2 days
C. 3-5 days
D. 7 days
A. 10-12%
B. 0-6%
C. 13-30%
D. 20-30%
The percentage of copper in high copper alloy is______________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. One to two minutes
B. Three to four minutes
C. Five to six minutes
D. Seven to eight minutes
What is the working time of amalgam? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Better handling property
B. Dimensional Stability
C. Resistance to creep
D. Toxicity to pulp and dentin
Advantage of zinc containing amalgam is_______________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Tarnish
B. Tarnish and corrosion
C. Wet corrosion
D. Dry corrosion
Discolouration of silver alloy is due to_____________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Marginal breakdown
B. Shrinkage
C. Delayed expansion
D. increased stresses
Moisture contamination of amalgam can lead to_____________? Read More »
Amalgams, Dental Materials, Medical Mcqs A. Gamma 1
B. Gamma 2
C. Gamma 1 and 2
D. No phase is eliminated
In a high copper amalgam the phase, which is eliminated is_______________? Read More »
Amalgams, Dental Materials, Medical Mcqs