Orthodontic appliance

Details Orthodontic appliance Orthodontic appliance

1997-10-01

1998-11-03

Lucchesi, Nicholas D.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

A61C 300

Patent

active

058299750

ABSTRACT:
A continuous force, replaceable spring appliance which connects to the orthodontic archwires of the upper and lower jaws and teeth. The replaceable spring fits into a hollow telescoping cylinder assembly by unscrewing end caps. The spring can be made to exert a pushing force, pushing the telescoping cylinders apart as it works, or it can exert a pulling force, pulling the ends of the telescoping cylinders together. The telescoping assembly has end caps that have bars with balls attached. The balls fit into a socket assembly that is screw locked to the archwires. The ball and socket assembly allows a free range of motion, and prevents the appliance from pinching the cheeks and gums or being chewed by the teeth.

REFERENCES:
patent: 3798773 (1974-03-01), Northcutt
patent: 5378147 (1995-01-01), Mihailowitsch
patent: 5562445 (1996-10-01), DeVincenzo et al.
patent: 5738514 (1998-04-01), DeVincenzo et al.

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