Orthodontic bracket

Details Orthodontic bracket Orthodontic bracket

1988-01-27

1989-09-19

Peshock, Robert

Dentistry

Orthodontics

Bracket

A11C 700

Patent

active

048676780

ABSTRACT:
The invention relates to an improved bracket for use in fixed dental appliances for the orthodontic movement of teeth. An orthodontic bracket in accordance with the invention comprises a fixed member for attachment to the labial surface of the tooth and a member which is freely rotatable about a stub axle formed in the fixed member, the rotatable member being provided on its labial surface with a first channel in which archwire may be seated, means being provided to lock the rotatable and fixed members together at a predetermined angular position. Such a bracket allows free tipping of the teeth in the early stages of treatment and allows torque to be applie for fine control of the root apices in the latter stages of treatment.

REFERENCES:
patent: 2379011 (1945-06-01), Laskin
patent: 3423833 (1969-01-01), Pearlman
patent: 3721005 (1973-03-01), Cohen
patent: 4139945 (1979-02-01), DiGiulio
patent: 4219617 (1980-08-01), Wallshein
patent: 4597739 (1986-07-01), Rosenberg

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