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Maxillofacial Plastic and Reconstructive Surgery
Fig. 4 | Maxillofacial Plastic and Reconstructive Surgery

Fig. 4

From: Quantification of three-dimensional facial asymmetry for diagnosis and postoperative evaluation of orthognathic surgery

Fig. 4

In three-dimensional simulation software, serial 3D-CT data were superimposed automatically on the best fit of cranial base structures by using volume registration (a, b). Three-dimensional positions of landmarks which were selected on preoperative CT images were saved and loaded on postoperative CT images (c). If the positions of measurement landmarks were changed after surgery, it can be moved to the new position on the software and the new coordinate data can be saved without the positional change of reference landmarks (d)

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