Dentistry – Orthodontics – Means to transmit or apply force to tooth
Reexamination Certificate
2005-08-23
2005-08-23
Wilson, John J (Department: 3732)
Dentistry
Orthodontics
Means to transmit or apply force to tooth
C433S018000, C433S023000
Reexamination Certificate
active
06932598
ABSTRACT:
The present invention is a device (18) and method for applying posteriorly directed pressure to a patient's upper posterior tooth, and anteriorly directed pressure to the lower teeth and lower jaw (50). The device includes a tooth attachment (22) fixed to a lower posterior tooth. A mounting base (20) is connected to the tooth attachment, and serves to mount a bumper unit (62), which extends from the lower posterior tooth to the upper posterior tooth. The bumper unit includes a bite bumper (32), for contacting the upper tooth. In the patient's retruded or uncorrected jaw position, the obstruction surface (38) of the bite bumper strikes the occlusal surface (41) of the upper posterior tooth, obstructing full closure of the jaws. Because this obstruction causes discomfort to the patient, the lower jaw is protruded into the forward or corrected jaw position. During protrusion, the bite bumper slides forwardly and upwardly into the adjacent opening (54) immediately anterior to the upper posterior tooth. The functional pressure generated by this jaw posture urges the upper posterior tooth in a posterior direction and the mandibular jaw in a forward direction. Over a period of time, the dental bite and jaw position become stable in the corrected jaw position.
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Edward H. Angle, M.D., (Book), “Treatment of Malocclusion of the Teeth,” 7th Ed., 1907, (pp. 499-502 and FIG 258-9), S.S. White Dental Co., Philadelphia.
Chandler Charles W.
Wilson John J
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