Method and device for adapting a bridge structure

Details Method and device for adapting a bridge structure Method and device for adapting a bridge structure

1999-05-13

2000-04-11

Lewis, Ralph A.

Dentistry

Method or material for testing, treating, restoring, or...

433172, A61C 800

Patent

active

060482060

ABSTRACT:
In a method of adapting a bridge structure (22) with a plurality of connectors (23) such that the bridge structure fits anchoring elements in a patient's jaw, a reference plane (27) for the bridge structure and a reference plane (21) for a model (20) of a patient's jaw are determined. Moreover, extension members (30) are mounted on each of the anchoring elements (24) in the model. Prior to the actual adaptation, the bridge structure and the model are mounted such that their reference planes extend in a predetermined plane. A tool is controlled to shorten each of the extension membes and each of the connectors such that their end surfaces are parallel with the predetermined plane after shortening. The connectors are shortened such that their end surfaces are located at a distance b from the predetermined plane, while the extension members are shortened such that their end surfaces are located at a distance c from the predetermined plane which is equal to a-b, a being a desired total height of the model and the bridge structure perpendicularly to the reference planes. A device for carrying out the method is also disclosed.

REFERENCES:
patent: 5052928 (1991-10-01), Andersson
patent: 5195890 (1993-03-01), Johansson et al.
patent: 5286196 (1994-02-01), Brajnovic et al.
patent: 5587912 (1996-12-01), Andersson et al.
patent: 5607305 (1997-03-01), Andersson et al.
patent: 5857853 (1999-01-01), Van Nifterick et al.

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