Extraoral anchorage device for use in orthopedics

Details Extraoral anchorage device for use in orthopedics Extraoral anchorage device for use in orthopedics

1979-12-05

1983-03-29

Mancene, Gene

Dentistry

Orthodontics

Including extra-oral force transmitting means

433 17, A61C 300

Patent

active

043782108

ABSTRACT:
An extraoral anchorage device for imparting orthopedic force to teeth is provided which comprises outer bows for transmitting an external force to teeth and inner bows for transmitting the force delivered by the outer bows to buccal tubes respectively fixed to said teeth, said inner bows being connected to the outer bows and having outer free ends. In the extraoral anchorage device the improvement consists in that the outer free ends of said inner bows have a non-circular cross section. By the use of the extraoral anchorage device according to the present invention, the orthopedic force is transmitted from the outer free ends of the inner bows to the buccal tubes without rotational movement.

REFERENCES:
patent: 1085466 (1914-01-01), Montag
patent: 1322994 (1919-11-01), Angle
patent: 1398761 (1921-11-01), Angle et al.
patent: 1849843 (1932-03-01), Levin
patent: 3087245 (1963-04-01), Asher
patent: 3121953 (1964-02-01), Asher
patent: 3186089 (1965-01-01), Asher
patent: 3494034 (1970-02-01), Kesling
patent: 3815238 (1974-06-01), Wallshein
patent: 3903604 (1975-09-01), Snead
patent: 3916526 (1975-11-01), Schudy

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