Orthodontic headgear assembly with magnetic release mechanism

Details Orthodontic headgear assembly with magnetic release mechanism Orthodontic headgear assembly with magnetic release mechanism

1993-01-08

1994-01-11

Mancene, Gene

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 700

Patent

active

052775810

ABSTRACT:
An orthodontic headgear assembly which incorporates at least one magnetic release mechanism. In one embodiment, the headgear assembly generally includes an inner bow, an outer bow interconnected with the inner bow, a mechanism for generating and applying a force to the ends of the outer bow which is thus transferred to the patient's teeth, and a magnetic release mechanism which is positioned between each end of the outer bow and the force generating mechanism. When a given magnetic release mechanism is subjected to a force of a predetermined magnitude, the mechanism disconnects adjacent portions of the headgear assembly to reduce the potential for the adverse effects on the patient due to snapback of the outer and/or inner bow when at least a portion of the force is removed from the headgear assembly.

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patent: 4764110 (1988-08-01), Dougherty
patent: 4872836 (1989-10-01), Grove

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