Three dimensional guidance system for dental implant insertion

Details Three dimensional guidance system for dental implant insertion Three dimensional guidance system for dental implant insertion

1998-09-29

1999-07-27

Hirsch, Paul J.

Dentistry

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

433213, A61C 1336

Patent

active

059279826

ABSTRACT:
A three dimensional guidance system for locating the correct or optimal angles of implant insertion into a dental patient's jawbone is described. The optimum angles, depths, and positioning are obtained as follows: a surrogate of the patient's mouth is provided in the form of stone model of the intended implant region with the edentulous area being exposed, a diagnostic work-up, usually in wax, of the stone model, and perforce of the patient's mouth, is produced and fitted with a pontic tooth or teeth in the proper occlusal relationships, a three-dimensional guidance system in the form of a drill press containing a platform or table movable through all directions about a fixed point defined by the drill point. In practice, the radiographic guide is placed on the patient and a CT-scan taken. Since the radiographic guide had previously been provided with radio-opaque landmarks, the resulting images will show specifically those landmarks in relation to the anatomical features that must be considered in drilling the osteotomy. From the images, the relevant depth and angular measurements are taken.

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patent: 5706814 (1998-01-01), Nonomuro
patent: 5769636 (1998-06-01), Di Sario

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