A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/1
A61C 7/00 (2006.01) A61C 7/28 (2006.01)
Patent
CA 1131055
ABSTRACT This invention is that of a combination light wire - rectangular wire orthodontic appliance system which provides the practitioner with a means for em- ploying both treatment methods without the necessity of changing brackets during the treatment. A stand- ard bracket is provided which is adapted to receive an archwire in an archwire receiving channel opening onto the gingival surface of the bracket. The arch- wire is secured to the bracket by means of a lock pin positioned in the lock pin - insert receiving slot of the bracket. This combination provides a light wire appliance. The bracket is also adapted to receive a detach- ably mountable insert in the lock pin - insert re- ceiving slot. The insert has a rectangular arch- wire slot open on its buccal or labial surface which is adapted to receive a rectangular archwire. This combination is a rectangular wire appliance. The de- tachable insert is provided with an archwire re- ceiving slot having varying axial height on the in- sert's body or various degrees of torque and/or an- gulation. These detachable inserts eliminate or re- duce wire bending to effect tooth movement.
338304
Bereskin & Parr
Korn Marcel
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