Glass-ceramic compositions for dental constructs

Details Glass-ceramic compositions for dental constructs Glass-ceramic compositions for dental constructs

1985-11-04

1987-03-24

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Dental

501 3, C09K 300, C03C 1016

Patent

active

046523120

ABSTRACT:
Tetrasilicic fluormica glass-ceramic compositions particularly suited for use in the preparation of dental restorations, consisting essentially in weight percent of about 45-70% SiO.sub.2, 13-30% MgO, 5-20% K.sub.2 O, 0-2% Al.sub.2 O.sub.3, 0-7% ZrO.sub.2, 4-9% F and 1-4% BaO, and porcelain-glazed dental restorations prepared therefrom, are described.

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patent: 2920971 (1960-01-01), Stookey
patent: 3486872 (1969-12-01), Wojcik et al.
patent: 3839055 (1974-10-01), Grossman
patent: 3840394 (1974-10-01), Eppier
patent: 4414281 (1983-11-01), Hoda
patent: 4431420 (1984-02-01), Adair
patent: 4440576 (1984-04-01), Flannery
patent: 4467039 (1984-08-01), Beall et al.
patent: 4478641 (1984-10-01), Adair et al.

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