Q
High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
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A
A. Have less marginal breakdown
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B
B. Are workable at lower hg-alloy ratio
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C
C. Have a higher ratio of tensile to compressive strength
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D
D. Have less resistance to tarnish and corrosion
Correct Answer:
A. A. Have less marginal breakdown
