Orthodontic arch wire having a non-symmetrical trapezoidal cross

Details Orthodontic arch wire having a non-symmetrical trapezoidal cross Orthodontic arch wire having a non-symmetrical trapezoidal cross

1990-07-24

1992-12-29

Wilson, John J.

Dentistry

Orthodontics

Bracket

433 20, A61C 300

Patent

active

051747537

ABSTRACT:
An orthodontic appliance including a series of orthodontic brackets configured to be secured to the teeth of patient, the brackets having slots for supporting an orthodontic arch wire, and an orthodontic arch wire extending through the slots. The orthodontic arch wire is arch-shaped and includes posterior segments and an anterior segment connecting the posterior segments. Either the anterior segment, or the entire arch wire, has a non-symmetrical, trapezoidal cross-section, and can be supported by bracket slots having either a rectangular or non-symmetrical trapezoidal shape.

REFERENCES:
patent: 3193930 (1965-07-01), Bien
patent: 4248588 (1981-02-01), Hanson
patent: 4386909 (1983-06-01), Hanson
patent: 4424033 (1984-01-01), Wool
patent: 4793804 (1988-12-01), Schudy
patent: 4850865 (1989-07-01), Napolitano
patent: 4897036 (1990-01-01), Kesling

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