The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 1989
Filed:
Jan. 27, 1988
Robert A Parker, Cambridge Cambridgeshire CB4 3NZ, GB;
Other;
Abstract
The invention relates to an improved bracket for use in fixed dental appliances for the orthodontic movement of teeth. An orthodontic bracket in accordance with the invention comprises a fixed member for attachment to the labial surface of the tooth and a member which is freely rotatable about a stub axle formed in the fixed member, the rotatable member being provided on its labial surface with a first channel in which archwire may be seated, means being provided to lock the rotatable and fixed members together at a predetermined angular position. Such a bracket allows free tipping of the teeth in the early stages of treatment and allows torque to be applie for fine control of the root apices in the latter stages of treatment.