Which of the following are characteristic feature of high copper amalgam alloy ?
Correct answer: C. Less marginal #
- A. Low compressive strength
- B. High marginal breakdown
- C. Less marginal #
- D. High creep
Explanation
High-copper amalgams eliminate or greatly reduce the weak gamma-2 phase, producing lower creep and much less marginal breakdown. Low compressive strength and high creep are characteristic of low-copper amalgam instead.
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