Orthodontic torquing system

Patent

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A61C 700

Patent

active

039758230

ABSTRACT:
A torquing spring formed of a wire loop having the top of its central portion adapted to engage the labial surface of the tooth and continuing into a pair of vertically extending legs. Each leg terminates at a pair of axially contiguous coil-sets. One of the coil sets associated with each leg is unrestricted, while the other of the coil-sets associated with each leg is bound to the base arch wire.

REFERENCES:
patent: 3162948 (1964-12-01), Gerber
patent: 3235965 (1966-02-01), Muir
patent: 3374542 (1968-03-01), Moylan, Jr.
patent: 3416229 (1968-12-01), Kesling

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