Dentistry – Orthodontics – By mouthpiece-type retainer
Patent
1981-11-30
1984-02-14
Peshock, Robert
Dentistry
Orthodontics
By mouthpiece-type retainer
A61C 700
Patent
active
044314116
ABSTRACT:
A segmented labial bow with lip pads for use in the correction of Class III malocclusions and malocclusions with underdeveloped maxillas. The segmented labial bow with lip pads is attached to a conventional orthopedic/orthodontic appliance. As the orthopedic/orthodontic appliance is activated, the lip pads on the segmented bow hold the upper lip away from the roots of the maxillary anterior teeth and alveolar process allowing skeletal development of the premaxillary area with resultant forward movement of the roots and alveolar bone of the premaxillary teeth.
REFERENCES:
patent: 3925894 (1975-12-01), Robins
patent: 4026023 (1977-05-01), Fisher
patent: 4299568 (1981-11-01), Crowley
Evans James A.
Witzig John W.
Peshock Robert
Reid Malcolm
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