Magnetic orthodontic appliance

Details Magnetic orthodontic appliance Magnetic orthodontic appliance

1982-03-22

1983-08-02

Wilson, John J.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

433 6, A61C 300

Patent

active

043963730

ABSTRACT:
This invention relates to an orthodontic appliance for exerting a corrective magnetic force on live teeth in a patient's mouth. The appliance includes two separate rigid caps having internal shapes conforming to the crown portions of juxtaposed teeth in the maxilla and mandible, respectively. The caps are adapted to be removably frictionally secured to such teeth. Two permanent magnets carried by the two caps, respectively, have facing poles which are in registry when the mouth is normally closed and further exert a magnetic force in a direction substantially normal to the occlusal plane. The poles are of extended area such that at least portions thereof remain in juxtaposed registry and the magnetic force maintains substantially in the same direction for normal relative jaw movement.

REFERENCES:
patent: 3353271 (1967-11-01), Blechman
patent: 3478742 (1969-11-01), Bohlmann
patent: 3798770 (1974-03-01), Mitchell
patent: 3984915 (1976-10-01), Noble et al.
patent: 4017973 (1977-04-01), Nelson

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