Dentistry – Apparatus – Having static product shaping surface
Patent
1984-06-27
1985-11-19
Wilson, John J.
Dentistry
Apparatus
Having static product shaping surface
A61C 504
Patent
active
045539375
ABSTRACT:
A matrix band for encircling a tooth to define a wall of a cavity to be supplied with a filling has reduced thickness end portions. A toothed tongue of reduced width on one end portion can be fitted into a slot in the tab formed by the other reduced width end portion to enable the band to be drawn tightly around a tooth.
REFERENCES:
patent: 278674 (1883-05-01), Wiesbauer
patent: 2353747 (1944-07-01), Morrison
patent: 3854210 (1974-12-01), Franklin et al.
Dubno Herbert
Ross Karl F.
Wilson John J.
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