Gold alloys for fusion to porcelain

Details Gold alloys for fusion to porcelain Gold alloys for fusion to porcelain

C - Chemistry, Metallurgy

22

C

75/7.1

C22C 30/00 (2006.01) A61K 6/04 (2006.01) C22C 5/02 (2006.01) C22C 5/04 (2006.01)

Patent

CA 1145163

Abstract: A gold alloy for use in a dental restoration which does not cause discoloration and greening of dental porcelain after being cast and having a porcelain jacket fired thereon. The gold alloy also produces extremely clean castings. The alloy is 30-50% gold, 30-50% palladium, 5-30% silver, 0.01-5% of at least one element from silicon, boron, germanium and mixtures thereof and 0.01-1.0% of ruthenium. Other elements are included for strength.

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