Safety device for orthodontic apparatus

Details Safety device for orthodontic apparatus Safety device for orthodontic apparatus

1993-12-21

1995-09-26

O'Connor, Cary E.

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 700

Patent

active

054530059

ABSTRACT:
Safety device for an orthodontic apparatus including an inner arch having ends that engage rings fixed on the molars and an outer arch having ends that are hooked. to elastic bands fixed to an occipital system. The arch assembly is made up of two thin and integral metal tubes intersecting in front of the wearer's mouth. Inside the metal tubes, flexible metal wires of high strength slide. One connects the left elastic band to the right molar and the other connects the right elastic band to the left molar. The inner ends of the two wires remain latched to the teeth until the elastic bands are detached.

REFERENCES:
patent: 3903604 (1975-09-01), Snead
patent: 4038754 (1977-08-01), Armstrong
patent: 4087915 (1978-05-01), Andrews
patent: 4212637 (1980-07-01), Dougherty et al.
patent: 4453917 (1984-06-01), Nodai et al.
patent: 4718848 (1988-06-01), Hickham et al.

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