Orthodontic process for straightening teeth

Details Orthodontic process for straightening teeth Orthodontic process for straightening teeth

1990-12-27

1992-04-07

Wilson, John J.

Dentistry

Orthodontics

Method of positioning or aligning teeth

433 20, A61C 300

Patent

active

051023334

ABSTRACT:
A process for straightening teeth using super-elastic NiTi arch wires of the same diameter but having different recovery forces is carried out by using NiTi wires that have a transition temperature below body temperature with brackets on the teeth. The different recovery force is set for each wire by heat treating the wires at different temperatures and/or for different periods of time. In this manner the forces applied to the teeth can be changed while still using arch wires of the same diameter.

REFERENCES:
patent: 3729824 (1973-05-01), Baues et al.
patent: 4037324 (1977-07-01), Andreasen
patent: 4490112 (1984-12-01), Tanaka et al.

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