A. Better handling property
B. Dimensional Stability
C. Resistance to creep
D. Toxicity to pulp and dentin
Related Mcqs:
- In non zinc containing dental amalgam alloy the percentage of zinc present is______________?
A. Less than 0.02%
B. Less than 0.1%
C. Less than 0.01%
D. None of the above - How soon after a moisture contamination does a zinc containing amalgam alloy start expanding________________?
A. 24 hours
B. 1-2 days
C. 3-5 days
D. 7 days - Cause of expansion in zinc containing amalgam is_____________?
A. Zinc and water
B. Water
C. Hydrogen
D. Nascent oxygen - Advantage of zinc phosphate over GIC is______________?
A. High compressive strength
B. Tensile strength
C. High modulus of elasticity
D. Diametral strength - The chief advantage of zinc phosphate cement is its___________?
A. Good compressive strength
B. Film thickness
C. Lack of irritation
D. Low solubility - In a high copper amalgam the phase, which is eliminated is_______________?
A. Gamma 1
B. Gamma 2
C. Gamma 1 and 2
D. No phase is eliminated - Amalgam restorations give the best clinical service when the residual mercury content is_______________?
A. 38-42%
B. 48-52%
C. 58-62%
D. 68-72% - The ADA specification No 1 for composition of amalgam alloy recommends______________?
A. 65% silver, 32% tin and 3% copper
B. 49% silver, 32% tin and 19% cooper
C. 65% silver, 29% tin and 5-6% copper
D. None of the above - Which of the following are characteristic feature of high copper amalgam alloy ?
A. Low compressive strength
B. High marginal breakdown
C. Less marginal #
D. High creep - Which is not true about high copper amalgam alloys______________?
A. Low tensile and compressive strength
B. Low Hg: Alloy ratio
C. High tensile strength
D. Low creep
