Dentistry – Orthodontics – Bracket
Patent
1993-05-13
1995-01-10
O'Connor, Cary E.
Dentistry
Orthodontics
Bracket
433 10, A61C 300
Patent
active
053801962
ABSTRACT:
An orthodontic bracket, such as a bracket made of ceramic material, is provided with a liner that enhances sliding mechanics between the bracket and an archwire. A portion of the liner projects beyond the bracket body and optionally includes an occlusal, gingival or lingual section that extends over a mesial or distal side of the bracket body. A bottom surface of the liner is located a distance from a bottom wall of a channel receiving the liner, and the distance optionally varies along the length of the archwire slot in order to urge the attached tooth to rotate as needed about its long axis. The liner is bonded to the bracket body in such a manner that the bracket body is thereafter held by the liner in compression.
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Caruso Joseph M.
Hansen James D.
Kelly John S.
Christoff James D.
Griswold Gary L.
Kirn Walter N.
Lucchesi Nicholas D.
Minnesota Mining and Manufacturing Company
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