Formative orthodontic appliance

Details Formative orthodontic appliance Formative orthodontic appliance

1985-01-28

1986-03-04

Wilson, John J.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

433 7, 433 23, A61C 300

Patent

active

045739145

ABSTRACT:
An improved means of providing adjustable relative pressure between teeth in a fixed-type formative orthodontic appliance employed to increase dental arch size in a treatment plan to overcome crowding or malocclusion is defined. The mechanism is attached to a tooth band means and includes a special screw and arm assembly which is connected to an appropriate tooth pressure-applying clasp. Adjustment of the device may be accomplished by other than a skilled practitioner due to the tooth-band-mounting of the adjustment mechanism. Incorporation of the mechanism in an orthodontic appliance permits desirable reduction in the required bulk of the appliance.

REFERENCES:
patent: 626476 (1899-06-01), Angle
patent: 3798773 (1974-03-01), Northcutt
patent: 4431411 (1984-02-01), Witzig et al.
patent: 4433956 (1984-02-01), Witzig
patent: 4468196 (1984-08-01), Keller
patent: 4472139 (1984-09-01), Rosenberg
patent: 4483674 (1984-11-01), Schutz

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