Patent
1976-07-26
1979-03-20
Peshock, Robert
A61C 1300
Patent
active
041446429
ABSTRACT:
Retaining devices for orthodontic brackets comprise means for passing through an opening behind an orthodontic bracket or through an opening between twin-brackets and including means connected thereto for retaining an arch wire in an arch wire receiving slot of a bracket. The retaining means for passing behind an orthodontic bracket includes a bent-over arrangement which springingly wedges in a space defined between the rear of the bracket and, for example, a band to which the bracket is mounted. The retaining device also has an edge which bitingly engages the band, or the like. In the embodiment for a twin-bracket, the retaining means has a rear portion which passes through an opening defined between the brackets of the twin-bracket arrangement for engaging the bracket arrangement with spring-type action. The portion extending in the opening between the brackets may also have a bent-over portion which acts as a spring-type wedge in the space, the bent-over portion having an edge which bitingly engages the band, or the like to which the bracket arrangement is secured. The retaining devices optionally include means for connecting auxiliaries thereto.
REFERENCES:
patent: 3772787 (1973-11-01), Hanson
patent: 3835539 (1974-09-01), Wallshein
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