Custom orthodontic archwire forming method and apparatus

Details Custom orthodontic archwire forming method and apparatus Custom orthodontic archwire forming method and apparatus

1992-11-09

1995-09-05

O'Connor, Cary E.

Dentistry

Orthodontics

Method of positioning or aligning teeth

A61C 300

Patent

active

054474329

ABSTRACT:
A custom orthodontic appliance, preferably including an archwire, is automatically formed into an arcuate shape optimized to the anatomy of the patient to move the teeth to desired finish positions on a desired dental archform. Data, digitized of anatomical shapes, preferably of individual teeth and the lower jaw bone, is processed with data of the desired tooth positions and archform, which are preferably calculated from the digitized anatomical shape data, to design an optimized arcuate appliance. Preferably, an archwire is automatically designed along with optimized custom brackets to minimize bracket profiles and the changes in curvature of the wire, which is preferably in the form of a series of circle segments, embodied in machine control instructions carried by a control signal to a numerically controlled wire feeding and bending machine.

REFERENCES:
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patent: 3738005 (1973-06-01), Cohen et al.
patent: 3906634 (1975-09-01), Aspel
patent: 3949478 (1976-04-01), Schinhammer
patent: 4014096 (1977-03-01), Dellinger
patent: 4160322 (1979-07-01), Frazier
patent: 4656860 (1987-04-01), Orthuber et al.
patent: 5011405 (1991-04-01), Lemchen
patent: 5100316 (1992-03-01), Wildman
patent: 5131843 (1992-07-01), Hilgers et al.

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