Bracket placement jig assembly and method of placing orthodontic

Details Bracket placement jig assembly and method of placing orthodontic Bracket placement jig assembly and method of placing orthodontic

1995-06-05

1996-08-06

Lucchesi, Nicholas D.

Dentistry

Orthodontics

Tool

433 8, A61C 300

Patent

active

055428428

ABSTRACT:
A method and apparatus for accurately positioning and orienting an orthodontic appliance relative to individual teeth of a patient is provided, preferably in the form of a pivot action jig, preferably of two parts pivotally linked together. Preferably, one part releasably engages an orthodontic bracket relative to a pivot axis at which the two parts are connected, preferably by fitting between spaced vertical tie wings of the bracket with a blade fitting in a bracket slot. The second jig part []includes a tooth-engaging surface configured to the shape of the crown of the tooth. Where the bracket itself is configured to pivotally attach to the jig, the jig may be formed of only the tooth engaging part. Preferably, the tooth-engaging surface uniquely fits over the occlusal end of the crown and includes a slight over center end, opposite the pivot connection, and may include a three-dimensional cap. A bracket is positioned in the jig, the assembly of the jig and the bracket is brought against the labial or lingual side of the crown of the tooth, and the tooth engaging part of the jig is pivoted to move the tooth-engaging surface gingivally into a unique position and orientation against the crown. This uniquely positions the bracket in a position where it is bonded to the tooth. When the bond has hardened, the tooth engaging part is pivoted occlusally away from the tooth and the jig is disconnected from the bracket.

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