Force recording orthodontic appliance

Details Force recording orthodontic appliance Force recording orthodontic appliance

1999-02-01

2000-08-08

Wilson, John J.

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 300

Patent

active

060993030

ABSTRACT:
A removable orthodontic appliance includes a first force applicator spring and a data storage device that stores data corresponding to the force being applied by the spring. A potentiometer serves as a force measurer to indicate the magnitude of the extra-oral corrective forces applied to the teeth of a patient. A bending switch is operable connected between the potentiometer and the data storage device. The bending switch indicates whether the appliance is on a patient by sensing whether it is bent.

REFERENCES:
patent: 3533163 (1970-10-01), Kirschenbaum
patent: 3765093 (1973-10-01), DeWoskin
patent: 3885310 (1975-05-01), Northcutt
patent: 3900953 (1975-08-01), Posen
patent: 4081996 (1978-04-01), Jennings et al.
patent: 4228591 (1980-10-01), Sterki et al.
patent: 4478580 (1984-10-01), Barrut
patent: 4825701 (1989-05-01), Holtslander
patent: 5651671 (1997-07-01), Seay et al.
patent: 5980246 (1999-11-01), Ramsay et al.

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