Cast lingual sheath and insert for Ni-Ti orthodontic appliances

Details Cast lingual sheath and insert for Ni-Ti orthodontic appliances Cast lingual sheath and insert for Ni-Ti orthodontic appliances

1994-12-27

1996-07-23

O'Connor, Cary E.

Dentistry

Orthodontics

By device having means to apply outwardly directed force

433 17, A61C 300

Patent

active

055384226

ABSTRACT:
An orthodontic expansion arch and sheath and sheath insert are provided for use in applying maxillary and mandibular lingual orthodontic appliances for expansion of the arches. The sheath permits use of appliances employing multiple wires composed of non-weldable metal alloys in a more convenient manner and in a greater variety of appliances.

REFERENCES:
patent: 1594143 (1926-07-01), Angle et al.
patent: 4897035 (1990-01-01), Green
patent: 5007828 (1991-04-01), Rosenberg

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