Dentistry – Orthodontics – Method of positioning or aligning teeth
Patent
1981-03-16
1982-11-23
Mancene, Gene
Dentistry
Orthodontics
Method of positioning or aligning teeth
433 3, A61C 300
Patent
active
043603416
ABSTRACT:
The invention comprehends the use of a fixture which fits over a tooth on which a bracket is to be affixed, this fixture having an internal cavity which essentially matches the shape and contour of a portion of the tooth, such as the lingual surface and incisal edge, the remaining portion of the fixture extending downwardly in spaced juxtaposition with respect to the labial surface. This labial space is slightly greater than the height of a standard bracket. The juxtaposed surface of the fixture is preferably provided with a smoothly contoured irregularity adapted to mate with a plastic or the like bracket-orienting module having a complementary surface portion, the opposite portion of this module being contoured to nest in or over the labial portion of a bracket. This contoured module portion may include a projection which slidably fits the bracket slot. Thus, with a bracket fitted onto the projection with the module in place in the fixture, the bracket is positively oriented in a precise location relative to the fixture.
By forming the module-orienting portion of the fixture in registry with the desired location of the bracket on the tooth, the fixture and the orienting module can be used to position precisely a bracket on the patient's tooth.
REFERENCES:
patent: 3345745 (1967-10-01), Muller
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patent: 3686762 (1972-08-01), Sutter
patent: 3738005 (1973-06-01), Cohen et al.
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patent: 3949477 (1976-04-01), Cohen et al.
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patent: 4014096 (1977-03-01), Dellinger
patent: 4160322 (1979-07-01), Frazier
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Mancene Gene
Wilson John J.
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