Method for impression-taking and for production of dental prosth

Details Method for impression-taking and for production of dental prosth Method for impression-taking and for production of dental prosth

1994-08-26

1996-12-17

Lucchesi, Nicholas D.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433214, A61C 1312, A61C 13225, A61C 900

Patent

active

055846947

ABSTRACT:
This method increases the precision of the components in an impression system for dental prosthesis of the type permanently anchored in the jaw by at least one securing elements implanted in the jawbone. Each of the securing elements is provided with a distance member whose upper part protrudes above the palatal arch and on which the finished dental bridge/dental prosthesis is then anchored via a so-called gold cylinder. The system includes impression components in the form of impression tops and distance dummies with continuous guide holes and stop members for a guide pin which, during fixing of the components, is guided through the respective guide hole and engages with the stop members of the respective impression component. That part of the guide pin which interacts with the stop members of the guide holes of the respective impression component has a conical stop surface, while the stop members form plane surfaces and guide edges. By such a design of the guide pin, the components are centered and the precision is improved in existing impression systems.

REFERENCES:
patent: 4708654 (1987-11-01), Branemark
patent: 4854872 (1989-08-01), Detsch
patent: 4906191 (1990-03-01), Soderberg
patent: 4955811 (1990-09-01), Lazzara et al.
patent: 5125833 (1992-06-01), Berceaux
patent: 5135395 (1992-08-01), Marlin
patent: 5145371 (1992-09-01), Jorneus
patent: 5195890 (1993-03-01), Johansson et al.
patent: 5213502 (1993-05-01), Daftary

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