Etched porcelain veneer crowns

Details Etched porcelain veneer crowns Etched porcelain veneer crowns

1987-03-09

1989-03-21

Scott, Samuel

Dentistry

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

Crown

4332121, A61C 508

Patent

active

048138746

ABSTRACT:
A method for preparing and fitting a partial or full veneer etched porcelain crown on a tooth preparation. The method includes the steps of preparing a veneer porcelain crown; etching the interior surface of the porcelain crown and the remaining tooth enamel of the tooth preparation; applying a silane-coupling agent to the etched surface of the porcelain crown; applying a layer of dentin bonding agent to the exposed dentin of the tooth preparation; applying a layer of unfilled resin to the silane-coupled etched porcelain surface and to the etched enamel and dentin bonding agent on the tooth preparation; applying a layer of bonding resin to overlay the unfilled resin on the tooth preparation; positioning the veneer crown on the tooth preparation; and curing the bonding resin. The laminate structure thus formed has a natural appearance and is highly fracture resistant.

REFERENCES:
patent: 4117595 (1978-10-01), Ibsen et al.
patent: 4376673 (1983-03-01), Cheung
patent: 4514527 (1985-04-01), Bowen
patent: 4593054 (1986-06-01), Asmussen et al.
patent: 4604059 (1986-08-01), Klaus et al.

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