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Optical modeling of extraoral defects

: Reitemeier, B.; Notni, G.; Heinze, M.; Schön, C.; Schmidt, A.; Fichtner, D.


The journal of prosthetic dentistry 91 (2004), Nr.1, S.80-84
ISSN: 0022-3913
Fraunhofer IOF ()

In order to reduce the stress caused to patients by conventional methods of modeling using computed tomography (CT) or magnetic resonance imaging (MRI), an optical modeling process has been developed for extraoral defects and body areas. The selected body part is digitized using optical 3-coordinate measuring technology, providing an extensive data record. This is adapted for further use by equalizing the point clouds to obtain a Computer Aided Design (CAD) model, which is converted to a physical model by means of a stereolithographic process. With this technology, the patient´s physical and psychological stress may be reduced. This article describes a technique for optical modeling of an ocular prothesis.