Low silver dental amalgam alloy composition
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United States of America Patent
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Jan 25, 1983
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N/A
app pub date -
May 21, 1981
filing date -
May 21, 1981
priority date (Note) -
Expired
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Abstract
A composition adapted for amalgamation with mercury to form a dental amalgam, which consists essentially of a uniform mixture of: (a) A first alloy composed of at least 65 weight percent silver, up to 29 weight percent tin, up to 6 weight percent copper, and up to 2 weight percent zinc; and (b) A second alloy composed of from 46 to 51 weight percent silver, from 4 to 6 weight percent tin, and from 45 to 48 weight percent copper.
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