527Dental MaterialsMedium
High copper dental amalgams are superior to other amalgams because high copper dental amalgems________?
AHave a higher ratio of tensile to compressive strength
BHave less marginal breakdown
CAre workable at lower Hg-alloy ratio
DHave less resistance to tarnish and corrosion
Correct answer
B. Have less marginal breakdown
Explanation
The correct answer is Have less marginal breakdown.