Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1979-12-19
1982-02-16
Peshock, Robert
Dentistry
Orthodontics
Means to transmit or apply force to tooth
267168, A61C 300
Patent
active
043157394
ABSTRACT:
The present invention encompasses a novel spring construction and a method of application of the spring in the field of orthodontics. A tension spring member is at least partially surrounded by a tension releasable component of larger diameter. The tension spring will normally be a coil spring adapted to be placed under tension between two points. The tension releasable component will normally comprise either a closed coil spring or an open coil spring. In either case, the tension releasable portion comprises an integral extension of the tension spring member and is designed to deform in response to a predetermined force thereby releasing the device from its tension exerting position. The orthodontic method of the invention comprises anchoring one end of the novel tensioning device to a tooth to be moved and the other end to an anchor point. The device is then placed under tension and the tension releasable means is used to hold one end of the device.
REFERENCES:
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Peshock Robert
Wilson John J.
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