Dentistry – Apparatus – Having static product shaping surface
Patent
1989-05-15
1991-03-05
Stone, Cary E.
Dentistry
Apparatus
Having static product shaping surface
433226, A61C 504
Patent
active
049973673
ABSTRACT:
A method and apparatus for use in restoration procedures for teeth. The apparatus includes a matrix having a facial portion extending between a pair of wings. The facial portion has an anatomically contoured inner surface which extends between a pair of corners. The wings of the matrix are affixed together by an adhesive strip. A tapered flange extends outwardly from the facial portion for insertion between the gingiva and tooth to permit introduction of restorative material in the gingival and/or subgingival area. The matrix is formed of clear material to permit viewing of the restorative material during the procedure.
REFERENCES:
patent: 2310448 (1943-02-01), Leib
patent: 2611182 (1952-09-01), Tofflemire
patent: 2646622 (1953-07-01), Christie et al.
patent: 2674801 (1954-04-01), Trangmar
patent: 3421222 (1969-01-01), Newman
patent: 4226593 (1980-10-01), Cohen et al.
patent: 4514174 (1985-04-01), Dougherty et al.
patent: 4718849 (1988-01-01), von Weissenfluh et al.
Paper entitled: Adverstising for Hawe-Neos Dental Cervicalfoil.
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