Universal orthodontic head gear

Details Universal orthodontic head gear Universal orthodontic head gear

1975-07-28

1976-12-21

Peshock, Robert

A61C 700

Patent

active

039979717

ABSTRACT:
An orthodontic head gear is disclosed for use in applying traction forces to produce posterior movement of the maxillary molars and arch. The head gear includes an arch bow which is adapted to conform to the contour of the dental arch of the patient undergoing orthodontic treatment and an associated face bow to which are applied the traction forces. A coupling is attached between the arch bow and face bow which is rotatable in orthogonal directions. The rotatable coupling comprises a ball and socket joint which is selectively positionable within and without of a plane bisecting the arch bow into symetric parts.

REFERENCES:
patent: 523192 (1894-07-01), Angle

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