Intermediate ceramic bonding layer for bonding of a resin to an

Details Intermediate ceramic bonding layer for bonding of a resin to an Intermediate ceramic bonding layer for bonding of a resin to an

1987-10-14

1990-01-23

Swisher, Nancy A. B.

Dentistry

Prosthodontics

Dental implant construction

427 2, 523116, 264 16, A61K 608

Patent

active

048955167

ABSTRACT:
The invention is a method of manufacturing a dental restoration from a polymerizable resin or composite resin with an alloy structure, or a method of manufacturing an alloy substructure-reinforced dental restoration. An alloy structure or substructure is first coated with a liquid, vitrifiable ceramic layer. To ensure against crazing in the ceramic layer upon vitrification, the ceramic and alloy have generally similar coefficients of thermal expansion. After vitrification, the ceramic becomes a ceramic bonding layer. Micropores are then formed on that layer, as by sandblasting or by etching with a suitable etching acid. A silane coupling agent is then applied to the micropore-containing ceramic bonding layer. Finally, the silane coupling agent is overlain with a polymerizable resin or composite resin material, and the resin or composite resin is polymerized.

REFERENCES:
patent: 4364731 (1982-12-01), Norling et al.
patent: 4544359 (1985-10-01), Waknine
patent: 4547531 (1985-10-01), Waknine

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