Dental head gear

Details Dental head gear Dental head gear

1996-10-08

1998-03-17

Wilson, John J.

Dentistry

Orthodontics

Including extra-oral force transmitting means

24 68CD, A61C 300

Patent

active

057279403

ABSTRACT:
A dental headgear having a traction generating device around which a loop of a strap is passed and having a pair of springs which maintain the traction and a connecting member which can automatically pull out from the housing when a maximum tension is exceeded.

REFERENCES:
patent: 4215983 (1980-08-01), Frazier
patent: 4226589 (1980-10-01), Klein
patent: 4553934 (1985-11-01), Armstrong et al.
patent: 4718848 (1988-01-01), Hickham et al.
patent: 4872836 (1989-10-01), Grove
patent: 5205020 (1993-04-01), Kamper
patent: 5511975 (1996-04-01), Schendell

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