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US 6,626,672 B1Granted
Dental prosthesis and method
OwnerLarry C. Beeninventor
Life of this patent
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Abstract
An alloy and method is disclosed for forming an improved dental prosthesis. The invention relates to a dental material of a precious metal composition and a method for infiltrating one alloy with another to produce a substructure for ceramic prosthetic restorations for damaged or missing teeth or metal replacements for same.
Claims9
A method of forming a dental prosthesis comprising:
- casting a substructure comprising a casting alloy of a first precious metal and a second precious metal;
- applying a foil to the surface of the substructure, the foil comprising an infiltration alloy comprising the first precious metal and a flowing element and having a thin coating of silver or silver chloride applied to one surface;
- and
- firing the substructure and coating at a temperature sufficient to cause the infiltration alloy to permeate the surface of the substructure.
1 more element
A method of forming a dental prosthesis comprising:
- forming a uniform alloy sheet comprising an infiltration alloy comprising gold and platinum around a die to form a substructure;
- soldering the substructure together at the edges;
- applying a foil comprising gold to a surface of the substructure;
- and
- firing the substructure at a temperature sufficient to cause the infiltration alloy to permeate the surface of the substructure.
2 more elements
Dependencies are inferred from the claim text.