Plastic orthodontic bracket having rotation wings

Details Plastic orthodontic bracket having rotation wings Plastic orthodontic bracket having rotation wings

1995-08-21

1997-04-08

Hirsch, Paul J.

Dentistry

Orthodontics

Bracket

433 16, A61C 728

Patent

active

056181752

ABSTRACT:
This invention is directed to a plastic orthodontic bracket reinforced with a metal insert having rotation wings. The bracket includes a protrusion extending into the archwire slot and having an upper end elevated above the bottom wall of the archwire slot. The upper end of the protrusion is adapted to contact the underside of an orthodontic archwire located in the archwire slot and to support at least a portion of the archwire above the bottom wall of the archwire slot.

REFERENCES:
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patent: 5095602 (1992-03-01), Reher et al.
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patent: 5267854 (1993-12-01), Schmitt
patent: 5299934 (1994-04-01), Suyama
patent: 5380196 (1995-01-01), Kelly et al.
Metal Bracket Style dated Mar., 1986.
Brochure, "The Mini Wick.TM. System", Ormco Corporation, .COPYRGT.1985 by Ormco/Division of Sybron Corporation.
Ormco Catalog, Table of Contents, pp. 5, 9, 10 and 15, .COPYRGT.1990 by Ormco Corporation.

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