Dentistry – Orthodontics – Bracket
Patent
1987-05-06
1989-06-13
Dority, Jr., Carroll B.
Dentistry
Orthodontics
Bracket
A61C 300
Patent
active
048387860
ABSTRACT:
An orthodontic bracket and method of making same wherein the bracket has at least one tiewing integrally formed with a base portion. In one form of the invention the bracket is provided with at least one longitudinally extending groove which extends into the base portion, the groove having at least a portion extending beyond at least a portion of the groove opening. In another aspect of the present invention is directed to a method of making an orthodontic bracket using ultrasonic machining techniques.
REFERENCES:
patent: 4216583 (1980-08-01), Reynolds
patent: 4595598 (1986-06-01), DeLuca et al.
patent: 4604057 (1986-08-01), Viglietti
patent: 4639218 (1987-01-01), Jones et al.
patent: 4661059 (1987-04-01), Kanno
Farzin-Nia Farrokh
Reher James F.
Dority Jr. Carroll B.
Manufacturers Hanover Trust Company
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