Dental amalgams that are made from alloys containing 6 percent copper, compared to those made from alloys containing 13 percent copper
1. have higher concentration of the tin-mercury phase.
2. are more resistant to tarnish and corrosion.
3. demonstrate less creep or flow.
4. generally have lower compressive strength.
5. demonstrate less marginal breakdown in clinical service.
(1) and (4)
(1) (3) (4)
(2) (3) (5)
(1) and (2)
(4) and (5)
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