Dentistry – Orthodontics – Bracket
Patent
1981-09-14
1983-06-07
Wilson, John J.
Dentistry
Orthodontics
Bracket
433 8, A61C 300
Patent
active
043869084
ABSTRACT:
A direct-bonded fixed lingual orthodontic appliance system for the mandibular arch is provided which comprises a plurality of metal or plastic attachments which are designed to be cemented directly to the lingual surfaces of the mandibular teeth, and an arch wire intercoupling the attachments extending aroumd the lingual side of the teeth. The surface of the base of each of the attachments contacting the corresponding tooth is particularly configured so as to have intimate contact with the tooth. The attachments are shaped to minimize trauma, and to provide for an arch wire configuration which does not require in-and-out bends, as the arch wire is inserted into the attachments. The attachments are also constructed to incorporate built-in angulation corrective properties for the corresponding teeth.
REFERENCES:
patent: 3599331 (1971-08-01), Lee
patent: 3815238 (1974-06-01), Wallshein
patent: 3824503 (1974-10-01), Wildman
patent: 3922787 (1975-12-01), Fischer et al.
patent: 4209906 (1980-07-01), Fujita
patent: 4216583 (1980-08-01), Reynolds
patent: 4256455 (1981-03-01), Forster
"Triple Action Deep Slot System", American Orthodontics Bulletin 1-79-3, 1979.
Beecher Keith D.
Wilson John J.
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