Orthodontic brackets

Details Orthodontic brackets Orthodontic brackets

A - Human Necessities

61

C

83/1

A61C 7/00 (2006.01)

Patent

CA 1075939

Abstract of the Disclosure A bandless orthodontic bracket for a tooth straightening assembly is attachable to the labial or buccal surface of a tooth with a cement. The portion of the bracket adjacent the tooth is provided with at least one undercut recess in which the cement is accommodated so as to provide a "physical" lock between the cement, when set, and the bracket. The frontal portion of the bracket, which is on the reverse side to the labial surface abutting portion, is provided with a smooth bow-shaped channel for accommodating a horizontally disposed arch wire. The arch wire makes contact with the base of the convex channel at one point and permits relative movement with respect to the bracket during mesiodistal tilting of the tooth.

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