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Proceedings Paper

Computer-supported individual reconstruction of the mandible
Author(s): Hans-Florian Uli Zeilhofer; Robert Sader; Hans-Henning Horch; Rainer Kirsten; Arthur P. Wunderlich; Martin Lenz
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Paper Abstract

3D visualization of CT sectional images in a video workstation with a medical imaging analysis system is very helpful to the surgeon in the selection of the optimal donor site for autogenous grafts. The sites of interest were represented on the monitor as free, interactively movable objects which could be observed three-dimensionally from all perspectives. By means of superimposition, turning, and penetration of these objects, the ideal donor site for the graft, in our examples parts from the left and right iliac crest, could be determined. An additional method for this determination is computer- assisted generation of a graft pattern from the CT data set for cases where no graftable object in the volume of interest can be found. In a special procedure a graft from biocompatible material can then be duplicated from this pattern. A reconstructive operation with 3D planning was performed on 12 patients with osseous defects in the area of the jaws and facial cranium. In the search for appropriate grafts from the patient's own body the iliac crest, with its specific volume, was selected for all patients.

Paper Details

Date Published: 24 May 1995
PDF: 7 pages
Proc. SPIE 2433, Medical Imaging 1995: Physiology and Function from Multidimensional Images, (24 May 1995); doi: 10.1117/12.209712
Show Author Affiliations
Hans-Florian Uli Zeilhofer, Technical Univ. of Munich (Germany)
Robert Sader, Technical Univ. of Munich (Germany)
Hans-Henning Horch, Technical Univ. of Munich (Germany)
Rainer Kirsten, Technical Univ. of Munich (Germany)
Arthur P. Wunderlich, Technical Univ. of Munich (Germany)
Martin Lenz, Technical Univ. of Munich (Germany)

Published in SPIE Proceedings Vol. 2433:
Medical Imaging 1995: Physiology and Function from Multidimensional Images
Eric A. Hoffman, Editor(s)

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