High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?

Amalgams 11/02/2021

A. Have less marginal breakdown
B. Are workable at lower Hg-alloy ratio
C. Have a higher ratio of tensile to compressive strength
D. Have less resistance to tarnish and corrosion

Related Mcqs:

    Which of the following phases of dental amalgam has minimum strength____________?
    A. Gamma 1 B. Gamma 2 C. Epsilon 1 D. Gamma 3...
    Compare to conventional amalgams, spherical amalgams_______________?
    A. Require more mercury B. Require heavy compection forces C. Have longer setting times D. None of the above...
    Copper content in low copper amalgam is________________?
    A. 6% B. 12-30% C. 29% D. 19%...
    A patient who has had a recent amalgam filling in the upper teeth has a gold filling in the lower teeth, the patient complains of pain. The reason for this can be mainly_____________?
    A. Improper amalgam filling B. Pulp exposure C. Galvanism D. None of the above...
    The higher the Hg alloy ratio in dental amalgam________________?
    A. Higher the strength B. Lower the creep value C. More matrix matrial formed D. More gamma 1 phase formed...

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