Orthodontic finishing positioner and method of construction

Details Orthodontic finishing positioner and method of construction Orthodontic finishing positioner and method of construction

1987-05-05

1989-08-15

Schwadron, Martin P.

Dentistry

Orthodontics

By mouthpiece-type retainer

433 24, A61C 700

Patent

active

048569917

ABSTRACT:
An orthodontic finishing positioner for maloccluded teeth to which are secured coupling members having portions protruding from the sides thereof, the positioner comprising an arcuate body of elastomer base material positioned about the teeth and coupling member of at least one dental arch and defining a recess for receiving teeth of at least one dental arch. The recess includes walls defining teeth-engaging surfaces shaped generally complementary to the surfaces of the teeth of the one dental arch when the teeth therein are positioned in a predetermined or ideal orientation. A series of indentations in the walls are disposed across the teeth-engaging surfaces, each indentation being shaped to nestingly accept a corresponding coupling member. When the positioner body is positioned within the patient's mouth and stretched about the teeth of the one dental arch so that the teeth thereof are received by the recess of the arcuate-shaped portion and each coupling member is accepted by a corresponding indentation, the stretched body effectively grasps the teeth and acts against the teeth and the coupling member to bias the teeth of the one arch toward the predetermined orientation. The positioner is constructed by forming a model of the teeth and coupling members of the one dental arch, repositioning the teeth-simulating portions of the model to a predetermined orientation and utilizing the model, with its repositioned teeth-simulating portions, as a standard for the formation of the desired positioner.

REFERENCES:
patent: 3407500 (1968-10-01), Kesling
patent: 3510946 (1970-05-01), Kesling
patent: 4448735 (1984-05-01), Huge
patent: 4505673 (1985-03-01), Yoshii
patent: 4591341 (1986-05-01), Andrews

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