Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1990-11-13
1991-11-19
O'Connor, Cary E.
Dentistry
Orthodontics
Means to transmit or apply force to tooth
433 22, A61C 300
Patent
active
050662260
ABSTRACT:
A telescopic oral orthopedic appliance aligns the upper and lower jaws for treatment of the temporomandibular joint. It includes an extensible-contractable positioning device which extends between and alters the position of the mandible relative to the maxillae. The device is attached to upper and lower sets of teeth by an anchor which is embedded in a pair of opposing channel members which fit over the apex and inwardly and outwardly facing walls of the clinical crowns of a series of adjacent teeth. The length of the device is selectively variable to alter the position of the mandible forward or backward without sudden jumps or the need for removing the appliance from the mouth. The positioning device includes a rod and sleeve assembly with the rod and sleeve being restrained against relative rotation.
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