Process for the production of ceramic prostheses

Details Process for the production of ceramic prostheses Process for the production of ceramic prostheses

1994-06-13

1995-09-26

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 16, 264 19, 264 66, 264 67, B29C 3100

Patent

active

054532272

ABSTRACT:
A process for the production of a ceramic prosthesis by forming a blank from a mixture of zirconium oxide and hafnium oxide of between 94.8% and 95.3% by weight, yttrium oxide of between 4% and 5.2% by weight, and any further oxide as a balance of less than 1% by weight, with a monoclinic proportion of below 5% by volume. The blank is put into the shape of the required prosthesis by means of a rotating tool of metallically bound diamond grains, using specific operating parameters for the tool.

REFERENCES:
patent: 4626392 (1986-12-01), Kondo et al.
patent: 4842454 (1989-06-01), Gustavsson et al.

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