High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
A. Have less marginal breakdown
B. Are workable at lower Hg-alloy ratio
C. Have a higher ratio of tensile to compressive…
What is common in amalgam and ceramics ?
A. More compressive strength but less tensile strengthB. More compressive strength and tensile strength
C. Less compressive strength but more tensile strength
D. Less compressive strength…