Dentistry – Orthodontics – Bracket
Patent
1978-11-09
1980-07-15
Peshock, Robert
Dentistry
Orthodontics
Bracket
433 16, A61C 300
Patent
active
042126380
ABSTRACT:
This invention is that of a combination light wire--rectangular wire orthodontic appliance system which provides the practitioner with a means for employing both treatment methods without the necessity of changing brackets during the treatment. A standard bracket is provided which is adapted to receive an archwire in an archwire receiving channel opening onto the gingival surface of the bracket. The archwire 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 detachably mountable insert in the lock pin--insert receiving slot. The insert has a rectangular archwire slot open on its buccal or labial surface which is adapted to receive a rectangular archwire. This combination is a rectangular wire appliance. The detachable insert is provided with an archwire receiving slot having varying axial height on the insert's body or various degrees of torque and/or angulation. These detachable inserts eliminate or reduce wire bending to effect tooth movement.
REFERENCES:
patent: 1323141 (1919-11-01), Young
patent: 2908974 (1959-10-01), Stifter
patent: 3128553 (1964-04-01), Broussard
patent: 3134171 (1964-05-01), Kessler
patent: 3163933 (1965-01-01), Begg
patent: 3178822 (1965-04-01), Fogel et al.
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