A. Low compressive strength
B. High marginal breakdown
C. Less marginal #
D. High creep
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Related Mcqs:
- Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?
- A. It has increased tensile and compressive strength B. It has poor tarnish and corrosion resistance C. It’s edge strength is greater D. Mercury content in the final restoration is less...
- The percentage of copper in high copper alloy is______________?
- A. 10-12% B. 0-6% C. 13-30% D. 20-30%...
- Copper content in low copper amalgam is________________?
- A. 6% B. 12-30% C. 29% D. 19%...
- 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 strength D. Have less resistance to tarnish and corrosion...
- Which of the following does not occur in High Copper Amalgam ?
- A. Electrochemical Corrosion B. Chemical Corrosion C. Penetrating Corrosion D. Corrosion does not occur at all...
- 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...
- High copper amalgam can be produced_____________?
- A. From smooth atomized particles B. From irregular and spherical particles C. From lathe cut particles D. From traditional alloy particles...
- 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...
- Admixed high copper alloy powder contains_________________?
- A. 9-20% copper B. 13-20% copper C. 9-30% copper D. 13-30% copper...
- Which of the following silver amalgam alloy have the maximum strength________________?
- A. Lathe cut B. Spherical C. Admixed D. Single composition...
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