Orthodontic appliance

Details Orthodontic appliance Orthodontic appliance

1991-02-22

1992-07-07

Mancene, Gene

Dentistry

Orthodontics

Bracket

A61C 300

Patent

active

051278286

ABSTRACT:
In an orthodontic appliance comprising a plurality of brackets for correcting misaligned teeth, each secured to a surface of a tooth and a wire for connecting the plurality of brackets to each other in the direction of a set of teeth, each bracket comprises a substrate to be attached at its one surface to the tooth surface and at least one wire support disposed on the other surface of the substrate and defining a groove recessed therein for passing the wire slidably along the direction of the set of teeth, in which the inner wall surface of the recessed groove is inwardly protruded convexly as a curved surface relative to the direction of passing the wire. An operation period required for correcting misaligned teeth can be shortened remarkably since the teeth can move smoothly owing to the reduced friction between the wire and the groove of the bracket.

REFERENCES:
patent: 3496637 (1970-02-01), Etengoff
patent: 4242085 (1980-12-01), Wallshein
patent: 4299569 (1981-11-01), Frantz
patent: 4322206 (1982-03-01), Reynolds
patent: 4917602 (1990-04-01), Broussard

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