Orthodontic positioner and methods of making and using same

Details Orthodontic positioner and methods of making and using same Orthodontic positioner and methods of making and using same

1988-10-06

1991-10-08

O'Connor, Cary E.

Dentistry

Orthodontics

Method of positioning or aligning teeth

433 6, A61C 300

Patent

active

050550390

ABSTRACT:
An orthodontic positioner appliance of elastomer base material is formed directly on the tooth coupling members during fabrication so as to assure accuracy of the appliance and compliance with the exact shape and placement of the members. A construction model is provided of the patient's teeth in a desired orientation, members are attached to the teeth in the model, and the positioner is formed by applying material to the model and directly to the members providing an exact adaptation of the material to the model including the members and providing an exact fit between the material and the members so as to eliminate any void between the members and the material to assure maximum purchase on the teeth but yet be easily removed by the patient. A first form of the positioner is formed by a hand lay-up or other appropriate technique providing a positioner body in the form of strip of silicone elastomer material, the body having a surface facing the teeth and recesses in spaced relation along the strip for snap fitting onto the members, the positioner urging the patient's teeth to an exact fit between the recesses and the members so as to eliminate any void or space between the members and the recesses. A second form of the positioner is formed by molding providing an arcuate body of elastomer material including a trough for receiving teeth, the trough having walls with recesses in spaced relation for fitting onto the members.

REFERENCES:
patent: 2531222 (1950-11-01), Kesling
patent: 3738005 (1973-06-01), Cohen et al.
patent: 4055895 (1977-11-01), Huge
patent: 4551096 (1985-11-01), Dellinger
patent: 4559013 (1985-12-01), Amstutz et al.
patent: 4793803 (1988-12-01), Martz
patent: 4856991 (1989-08-01), Breads et al.

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