Elastic orthodontic appliance for an edgewise-type bracket

Details Elastic orthodontic appliance for an edgewise-type bracket Elastic orthodontic appliance for an edgewise-type bracket

1988-04-14

1990-02-13

Swiatek, Robert P.

Dentistry

Orthodontics

Bracket

433 18, A61C 700

Patent

active

049002503

ABSTRACT:
An elastic orthodontic appliance for use with an edgewise-type bracket having an archwire slot with tipping and uprighting surfaces. The elastic appliance functions as a ligature to provide the usual function of retaining an archwire in the archwire slot of the bracket and additionally functions as a force transmitting device to provide supplementary tipping or uprighting forces between the bracket and the archwire. The appliance includes a ring portion having a transverse web or cross member and in some embodiments enlargements that are forced between the archwire and either the tipping or uprighting surfaces or the lateral sides of the bracket and sized to be compressed so that a force is generated between the archwire and the bracket.

REFERENCES:
patent: 2767469 (1956-10-01), Gladstone
patent: 3641672 (1972-02-01), Kesling
patent: 3686758 (1972-08-01), Kesling
patent: 3879850 (1975-04-01), Wallshein
patent: 4054997 (1977-10-01), Wallshein
patent: 4217686 (1980-08-01), Dragan
patent: 4340363 (1982-07-01), Klein et al.
patent: 4531911 (1985-07-01), Creekmore

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