Edgewise bracket with Sved shaped slot and control means

Details Edgewise bracket with Sved shaped slot and control means Edgewise bracket with Sved shaped slot and control means

1986-11-26

1989-08-22

Wilson, John J.

Dentistry

Orthodontics

Bracket

433 16, A61C 300

Patent

active

048591793

ABSTRACT:
An edgewise bracket with a Sved shaped archwire slot and stop means for coating with the bracket and an archwire for limiting crown tipping or root uprighting movements so as to achieve predetermined uprighting or tip values. The archwire slot includes edges for permitting pivotal tipping or uprighting movement between the bracket and the archwire and surfaces inclined in excess of any desired tipping or uprighting movement. The stop means may be in the form of pins mounted on a base for the bracket, a clip snap fitting over the bracket and having stop tabs or lugs for engaging the archwire, or elastic ligatures having enlargements that engage the archwire and induce the bracket to remain in a predetermined position relative to the archwire.

REFERENCES:
patent: 3772787 (1973-11-01), Hanson
patent: 3879850 (1975-04-01), Wallshein
patent: 4248588 (1981-02-01), Hanson
patent: 4299569 (1981-11-01), Frantz
patent: 4419078 (1983-12-01), Pletcher
patent: 4575337 (1986-03-01), Fujita
patent: 4614497 (1986-09-01), Kurz
patent: 4664626 (1987-05-01), Kesling

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