Orthodontic appliance

Details Orthodontic appliance Orthodontic appliance

1975-10-14

1977-05-31

Peshock, Robert

A61C 700

Patent

active

040260224

ABSTRACT:
An orthodontic appliance adapted to be secured to a tooth by any suitable means, such as a tooth band or by direct bonding. The appliance consists of a bracket and a lock pin which holds an arch wire to the bracket in any of a plurality of attitudes to accommodate successive phases in orthodontic treatment. The offset head of the lock pin engages the gingival edge of the bracket to define the limits of the arch-wire-receiving slot on a gingival-occlusal axis. A notch in the edge inhibits the pin from moving laterally or rotating in the bracket. The bracket is formed by embossing a sheet of material to form a pin-receiving channel. Tabs are bent inwardly from the channel side walls to provide fulcrum edge means approximating a knife edge, on which the arch wire bears as it passes through the bracket.

REFERENCES:
patent: 2196516 (1940-04-01), Atkinson
patent: 2257069 (1941-09-01), Peak
patent: 3085336 (1963-04-01), Kesling
patent: 3163933 (1965-01-01), Begg et al.
patent: 3178821 (1965-04-01), Kesling
patent: 3408739 (1968-11-01), Johnson
patent: 3435527 (1969-04-01), Kesling
patent: 3445933 (1969-05-01), Kesling
patent: 3574940 (1971-04-01), Allesee

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