Coordinated orthodontic archwires and method of making same

Details Coordinated orthodontic archwires and method of making same Coordinated orthodontic archwires and method of making same

1994-08-04

1995-10-10

O'Connor, Cary E.

Dentistry

Orthodontics

Method of positioning or aligning teeth

433 20, A61C 300

Patent

active

054566002

ABSTRACT:
Coordinated orthodontic archwires are provided based on a method of designing custom orthodontic appliances based in individual patient anatomy and, based on a plurality of such custom designs, designing and manufacturing a standardized appliance for patients of average dental anatomy. From such method, a relationship is established for coordinating one archwire to another of any given design. The coordinated archwires so provided include an upper archwire that is an expansion of a lower archwire, and in addition, when the shapes of the archwires are superimposed, are spaced apart more in the vicinity of the cuspids and first bicuspids than in the vicinity of the incisors and, preferably, also the second bicuspids. The spacing difference is at least 0.005 inches, particularly for an appliance with low profile brackets, and is up to 0.025 or 0.035 inches for an appliance with the more conventional brackets. The spacings are determined as a function of the length of the wire from the midline of the wire.

REFERENCES:
patent: 5011405 (1991-04-01), Lemchem
patent: 5139419 (1992-08-01), Andreiko et al.
Catalog: Ormco Orthodontic Products, pub. by Ormco Corporation, 1990, Section 5.
Catalog: 3M Unitek Orthodontic Product, pub. by 3M, pp. 5-1 to 5-7.
Catalog: Rocky Mountain Orthodontics Cat. #4, pub. by RMO, Inc., pp. G6-G9.
Catalog: Orthodontics pub. by Dentaurum, Inc., pp. 90-98.

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