Palladium alloy and dental restorations utilizing same

Details Palladium alloy and dental restorations utilizing same Palladium alloy and dental restorations utilizing same

C - Chemistry, Metallurgy

22

C

83/25, 75/95

C22C 5/04 (2006.01) A61K 6/04 (2006.01)

Patent

CA 1215864

ABSTRACT A palladium alloy for use in making porcelain coated dental restorations comprises 50-85 percent palladium, 5-40 percent copper and/or cobalt, 1-15 percent gallium, up to 5 percent of a modifier selected from nickel, gold, indium, ruthenium and tin, up to 0.5 percent rhenium and/or iridium, and up to 1 percent boron. The dental restorations obtained by firing porcelain against castings of this alloy exhibit freedom from discoloration, and excellent bond strength is obtained between the porcelain coating and the underlying alloy casting.

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