Orthodontic rotation wedge with twist-preventing mounds

Dentistry – Orthodontics – Means to transmit or apply force to tooth

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433 16, A61C 300

Patent

active

043403638

ABSTRACT:
An orthodontic tooth-rotation-effecting wedge. The wedge is made of a mouth-fluid-resistant elastomeric material. It includes a relatively thin web having a pair of openings for releasably fitting over and encircling a pair of conventional bracket posts, and a bulge, or enlargement, joined to one side of the web. The bulge is for deflecting an arch wire from the path which, in the absence of installation of the wedge, it would normally tend to follow past a bracket. A pair of spaced mounds is formed on one side of the enlargement. These mounds are adapted to straddle an arch wire to prevent twisting of the wedge out of place.

REFERENCES:
patent: 3218715 (1965-11-01), Wallshein
patent: 3879850 (1975-04-01), Wallshein
patent: 3896549 (1975-07-01), Wallshein
patent: 3913228 (1975-10-01), Wallshein
patent: 4054997 (1977-10-01), Wallshein

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