Method of producing a dental restoration using CAD/CAM

Details Method of producing a dental restoration using CAD/CAM Method of producing a dental restoration using CAD/CAM

1996-08-16

1998-07-07

Lewis, Ralph

Dentistry

Method or material for testing, treating, restoring, or...

Crown

4332121, A61C 510

Patent

active

057759120

ABSTRACT:
A method of making a dental porcelain restoration comprises providing a soft-sintered dental porcelain pellet; milling the soft-sintered pellet under the control of a CAD/CAM system to provide a tooth structure; investing the tooth structure with an investment refractory material to provide an invested tooth structure; fusing the invested tooth structure; and removing the investment refractory material from the fused tooth structure to provide the dental restoration.

REFERENCES:
patent: 4575805 (1986-03-01), Moermann
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patent: 4937928 (1990-07-01), Van Der Zel
patent: 5106303 (1992-04-01), Oden et al.
patent: 5180427 (1993-01-01), Prasad et al.
patent: 5378154 (1995-01-01), Van Der Zel
(1) IntraTech brochure "Introducing the 90-minute crown and the IntraTech PRO-CAM", 1995 copyright IntraTech Dental Products, Inc. Design.

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