Orthodontic bracket with bi-directional hook

Details Orthodontic bracket with bi-directional hook Orthodontic bracket with bi-directional hook

1990-11-02

1992-06-30

Wilson, John J.

Dentistry

Orthodontics

Bracket

433 18, 433 19, A61C 300

Patent

active

051258315

ABSTRACT:
An orthodontic bracket having four tiewings includes a hook which is integrally connected to one of two gingival tiewings. The hook has a mesial notch and a distal notch to provide connection with an elastic member that extends in either direction. The hook also has a flat labial surface for reducing patient discomfort.

REFERENCES:
patent: 4193195 (1980-03-01), Merkel et al.
patent: 4498867 (1985-02-01), Kesling
patent: 4545760 (1985-10-01), Forster
patent: 4820151 (1989-04-01), Pospisil
patent: 5030089 (1991-07-01), Kawaguchi
3M Unitek Corporation Catalog (copyright 1990), pp. 1-1 and 1-3 3-7.
Drawings Marked "A" and "B" of Commercially Available Products.
Ortho Organizers, Inc., Advertisement, "Journal of Clinical Orthodontics", Sep. 1989.

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