Orthodontic safety headgear

Details Orthodontic safety headgear Orthodontic safety headgear

1979-09-25

1983-09-06

Peshock, Robert

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 700

Patent

active

044026692

ABSTRACT:
An orthodontic headgear appliance having a safety system which includes force-adjusting mechanism for the headgear tensioning apparatus, a system for selectively setting limits for travel of the facebow during orthodontic treatment and a disconnecting system for disconnecting the facebow from the headgear tensioning apparatus when a forward force on the facebow exceeding a predetermined value continues to be applied after the travel limit is reached.

REFERENCES:
patent: 3126729 (1964-03-01), Leopoldi
patent: 3890800 (1975-06-01), Montague
patent: 4155161 (1978-09-01), Armstrong

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