Removable tooth positioning appliance and method

Details Removable tooth positioning appliance and method Removable tooth positioning appliance and method

1987-10-08

1988-12-27

Peshock, Robert

Dentistry

Orthodontics

By mouthpiece-type retainer

A61C 700

Patent

active

047938030

ABSTRACT:
Separate appliances are insertable in and removable from the upper and lower jaws of the patient to correct minor malocclusions. The appliance construction has several modifications but consists essentially of: (a) a fairly rigid portion which mates with or securely grips the tooth surface, (b) a rigid portion to provide the base and shape, and (c) an intermediate, flexible resilient portion interposed between (a) and (b) which biases the teeth into the desired position. Details and variations of each of the three portions are described. The rigidity of the rigid portion may vary depending on the condition of an individual case. In some instances the rigid portion need only be somewhat flexible, thereby performing the function of the intermediate portion as well. The method of fabricating each portion is likewise disclosed.

REFERENCES:
patent: 3510946 (1970-05-01), Kesling
patent: 4055895 (1977-11-01), Huge
patent: 4505672 (1985-03-01), Kurz
patent: 4541800 (1985-09-01), Bernstein
patent: 4591341 (1986-05-01), Andrews

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