Mandibular and maxillary arch ander

Details Mandibular and maxillary arch ander Mandibular and maxillary arch ander

1995-09-11

1997-07-08

O'Connor, Cary E.

Dentistry

Orthodontics

By device having means to apply outwardly directed force

A61C 700

Patent

active

056454228

ABSTRACT:
A orthodontic appliance having a midarch expander positioned between two forward orthodontic bands to effect intercanine archlength development and bilateral spring-loaded rod and tube assemblies for molar distalization and added archlength development in the mandibular or maxillary bicuspid area. In one embodiment of the invention the midarch expander is an expansion screw complex. In another embodiment of the appliance, the midarch expander is a spring-loaded rod and tube assembly. In the maxillary arch expander, a pair of spring-loaded tube assemblies function as the midarch expander.

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patent: 4773853 (1988-09-01), Kussick
patent: 5064370 (1991-11-01), Jones
patent: 5439377 (1995-08-01), Milanovich
patent: 5505616 (1996-04-01), Harwell

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