Orthodontic bracket and apparatus for fabricating the same

Details Orthodontic bracket and apparatus for fabricating the same Orthodontic bracket and apparatus for fabricating the same

1984-09-18

1987-04-28

Wilson, John J.

Dentistry

Orthodontics

Bracket

A61C 300

Patent

active

046610596

ABSTRACT:
An orthodontic bracket with reinforced retentive forces is provided by forming, in the undersurface of the bracket, a plurality of fine grooves in one direction and a plurality of fine grooves in the other direction crossing the first-mentioned direction. These fine grooves are formed by a cutting machine having a plurality of rotatable thin circular cutter blades. The grooves are of relatively deep square or rectangular cross section and capable of firmly retain relatively large quantity of adhesives. The bracket of the invention, when bonded to the tooth surface by the use of adhesives, is not subject to separation of adhesives from the metal surface.

REFERENCES:
patent: 4322206 (1982-03-01), Reynolds
patent: 4430061 (1984-02-01), Webb et al.

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