Plastic and nonmetallic article shaping or treating: processes – Dental shaping type
Patent
1998-06-15
1999-06-29
Fiorilla, Christopher A.
Plastic and nonmetallic article shaping or treating: processes
Dental shaping type
264 17, 264 19, A61C 1300
Patent
active
059164980
ABSTRACT:
A process for manufacturing a non-metallic dental prosthesis including a ceramic frame and an esthetic ceramic veneer including the steps of: preparing the ceramic frame by press molding a composition comprising from 1 to 50 parts by weight glass particles and from 50 to 99 parts by weight ceramic particles at a molding temperature from 800 to 1300.degree. C.; applying a slurry comprising a dental ceramic veneering composition to the thus prepared ceramic frame; and firing the ceramic frame having the slurry applied thereto at a temperature lower than the molding temperature to produce said dental prosthesis. The dental ceramic veneering composition may have a melting point at least 50.degree. C. less than the molding temperature.
REFERENCES:
patent: 4289719 (1981-09-01), McIntosh et al.
patent: 4756754 (1988-07-01), SinghDeo
patent: 5102749 (1992-04-01), Enloe et al.
patent: 5116398 (1992-05-01), Prewo
Bayer Gerhard
Gauckler Ludwig J.
Hauner Wigbert
Hofmann Carmen
Hofmann Martin E.
Bieber James B.
Dentsply DeTrey GmbH
Fiorilla Christopher A.
Lovercheck Dale R.
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