Magnetic orthodontic appliance

Details Magnetic orthodontic appliance Magnetic orthodontic appliance

1993-01-04

1994-08-02

Wilson, John J.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

433 22, A61C 300

Patent

active

053340159

ABSTRACT:
An orthodontic appliance for intraorally distalizing teeth without patient compliance, comprising a pair of small complementary permanent magnetic elements, each having a coaxial hole for slidably mounting the magnets on a single common sectional wire, in an arrangement to repel one another, with each element having a protective coating to prevent corrosion and leaching. Additional means are provided for urging the magnetic elements along the sectional wire into predetermined proximity as the molar tooth or teeth distalize. This arrangement avoids undesirable eccentric magnetic movement, maximizes control of the repelling horizontal magnetic forces, and maintains a substantially constant distalizing force without the need for constant readjustment.

REFERENCES:
patent: 3353271 (1967-11-01), Blechman
patent: 4457707 (1984-07-01), Smiley et al.
patent: 4484895 (1984-11-01), Smiley et al.
patent: 4508505 (1985-04-01), Smiley et al.
patent: 4526539 (1985-07-01), Blechman et al.
patent: 4595361 (1986-06-01), Blechman et al.
patent: 5066224 (1991-11-01), Block et al.

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