Orthodontic apparatus and method for treating malocclusion

Dentistry – Orthodontics – Method of positioning or aligning teeth

Patent

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Details

433 6, A61C 700

Patent

active

045265402

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 matches the shape and contour of a portion of the tooth, such as the lingual surface, incisal edge and a portion of the labial surface. A second portion of the labial or lingual side of the fixture is fixedly secured to the head portion of the bracket in such a manner as to align the surface of the base in the same anatomical plane or tooth surface as the labial or lingual surface. The fixture is relatively rigid and is further of a material which can be changed to a non-rigid state upon application of a state-changing medium thereto. Such a material may be biodegradable such that upon being subjected to moisture, it tends to dissolve or become flexible: it can then be easily removed from the bracket. Removal from the bracket is performed after the fixture with the bracket mounted therein is assembled to a tooth and the bracket is bonded thereto.
By forming the fixture with the bracket preassembled thereto, the assembly can be used to bond a bracket on the patent's tooth in a precise predetermined location.

REFERENCES:
patent: 3738005 (1973-06-01), Cohen et al.

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