Resiliently expandable orthodontic device

Details Resiliently expandable orthodontic device Resiliently expandable orthodontic device

1997-03-17

1998-04-14

Lucchesi, Nicholas D.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

433 18, A61C 300

Patent

active

057385149

ABSTRACT:
An orthodontic appliance has two telescoping cylinders having springs therein to urge the cylinders apart. The outer cylinder is then slidably inserted into a third cylinder. The outer ends of the cylinders are attached to a patient's teeth so the springs exert a force on the teeth when the spring-urged cylinders contact the end of the third cylinder. The cylinders may be separable so the springs can be exchanged, or may be permanently fixed together. The attachments allow universal motion so the lower jaw can move to the full extent of the normal jaw without binding or destroying the appliance.

REFERENCES:
patent: 3158934 (1964-12-01), Waldman
patent: 3798773 (1974-03-01), Northcutt
patent: 5022855 (1991-06-01), Jeckel
patent: 5120218 (1992-06-01), Hanson
patent: 5562445 (1996-10-01), DeVincenzo et al.

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