Dentistry – Orthodontics – By device having means to apply outwardly directed force
Patent
1991-06-24
1992-12-01
O'Connor, Cary E.
Dentistry
Orthodontics
By device having means to apply outwardly directed force
A61C 700
Patent
active
051675005
ABSTRACT:
An orthodontic appliance having a pair of bases supported by guides so as to be capable of opening and closing. A memory alloy coil spring having superelastic properties is mounted between the pair of bases. The appliance is constructed so that the spring pressure of the superelastic memory alloy coil spring transmits to the tooth or the jaw bone as orthodontic force by means of the opening and closing of the pair of bases.
REFERENCES:
patent: 360695 (1887-04-01), Holmes
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patent: 4037324 (1977-07-01), Andreasen
patent: 4323345 (1982-04-01), Wallshein
patent: 4490112 (1984-12-01), Tanaka et al.
patent: 4571177 (1986-02-01), Dahan
patent: 4849032 (1989-07-01), Kawaguchi
"American Journal of Orthodontics and Dentofacial Orthopedics", vol. 94, No. 2, pp. 89-96, Aug. 1988.
"American Journal of Orthodontics and Dentofacial Orthopedics", vol. 90, No. 1, pp. 1-10, Jul. 1986.
GAC International, Inc.
O'Connor Cary E.
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