A. 24 hours
B. 1-2 days
C. 3-5 days
D. 7 days
0
The percentage of copper in high copper alloy is______________?
0
What is the working time of amalgam?
A. 10-12%
B. 0-6%
C. 13-30%
D. 20-30%
0
Advantage of zinc containing amalgam is_______________?
A. One to two minutes
B. Three to four minutes
C. Five to six minutes
D. Seven to eight minutes
0
Discolouration of silver alloy is due to_____________?
A. Better handling property
B. Dimensional Stability
C. Resistance to creep
D. Toxicity to pulp and dentin
0
Moisture contamination of amalgam can lead to_____________?
A. Tarnish
B. Tarnish and corrosion
C. Wet corrosion
D. Dry corrosion
0
In a high copper amalgam the phase, which is eliminated is_______________?
A. Marginal breakdown
B. Shrinkage
C. Delayed expansion
D. increased stresses
0
Well premeasured capsules of amalgam can release mercury vapour during_______________?
A. Gamma 1
B. Gamma 2
C. Gamma 1 and 2
D. No phase is eliminated
0
In spherical alloys as compared to lathe cut____________?
A. Mulling
B. Carving
C. Condensation
D. Trituration
0
Chronic mercury toxicity results from_____________?
A. Less condensing force is required
B. More condensing force is required
C. Both require same condensing force
D. Manipulation is easy
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