Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1978-06-07
1981-03-17
Peshock, Robert
Dentistry
Orthodontics
Means to transmit or apply force to tooth
A61C 700
Patent
active
042564565
ABSTRACT:
A tooth uprighting or separating appliance for cooperating with a pair of adjacent teeth having opposed and closely spaced side surfaces comprises a first member adapted to be interposed into a space between the pair of teeth for bearing against one of the opposed side surfaces of one of the pair of teeth, a second member adapted to be interposed into the space between the pair of teeth for bearing against the side surface of the other of the pair of teeth, and spring means interconnecting the first and second members for biassing the first and second members away from each other and toward the respective opposed side surfaces of the pair of teeth to thereby separate the teeth from each other. Preferably, the first and second members are adapted to pierce gum tissue which is located between the pair of teeth to facilitate installation. The spring means may comprise an elongated wire member or a coil spring portion from which the first and second means extend. The first and second members may both extend from the same side of the spring means, or may extend from opposite sides thereof.
REFERENCES:
patent: 1257639 (1918-02-01), Rosenberger
patent: 1925945 (1933-09-01), Zielinski et al.
patent: 2605097 (1952-07-01), Masoner
patent: 3127677 (1964-04-01), Schachter
patent: 3137889 (1964-06-01), Sogoian
patent: 3414976 (1968-12-01), Steiner
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