Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1982-09-15
1983-11-01
Peshock, Robert
Dentistry
Orthodontics
Means to transmit or apply force to tooth
A61C 700
Patent
active
044128193
ABSTRACT:
An orthodontic arch wire having anterior and posterior segments of different elasticity or stiffness to enable early and simultaneous treatment of teeth in the entire dental arch. The wire is preferably made by uniting a central segment of relatively resilient wire with end or posterior segments of a different and more rigid wire. Different cross-sectional shapes may also be used in the several segments.
REFERENCES:
patent: 1938428 (1933-12-01), Johnson
patent: 2318001 (1943-05-01), Linde
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