Dental cement compositions
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United States of America Patent
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Mar 3, 1987
Grant Date -
N/A
app pub date -
Feb 12, 1986
filing date -
Apr 5, 1985
priority date (Note) -
Expired
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Abstract
A dental cement composition consisting of a composition A and a composition B, said composition A comprising at least two powders, (a) 100 parts by weight of a powder containing more than 20% by weight to 70% by weight of calcium oxide and 30% by weight to less than 80% by weight of aluminium oxide and treated on the surface with 0.01 to 5% by weight of at least one selected from the group consisting organic acids and/or inorganic acids, and (b) 2 to 70 parts by weight of a calcium hydroxide powder, and said composition B comprising of an aqueous solution containing 0.01 to 70% by weight of a water-soluble high-molecular substance.
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