Use of gold-palladium alloys for dental castings

Details Use of gold-palladium alloys for dental castings Use of gold-palladium alloys for dental castings

C - Chemistry, Metallurgy

22

C

C22C 5/02 (2006.01) A61C 13/08 (2006.01) A61K 6/04 (2006.01)

Patent

CA 2128395

Gold-palladium alloys with a high gold content for dental applications should, for reasons of biocompatibility, not contain any toxically dubious components. For particularly carrosion-resistant and biocompatible Type-4 alloys, tin is needed as the only base-metal component in amounts between 0.7 and 5.8 wt-% if one remains within defined limits in the palladium-tin diagram. Such alloys contain, in addition to gold and tin, 6 to 25 wt-% palladium, 0 to 12 wt-% platinum and 0 to 2 wt-% iridium, rhodium and/or ruthenium.

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