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KMID : 1036320160380010048
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Maxillofacial Plastic and Reconstructive Surgery
2016 Volume.38 No. 1 p.48 ~ p.48
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CAD/CAM splint based on soft tissue 3D simulation for treatment of facial asymmetry
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Tominaga Kazuhiro
Habu Manabu
Tsurushima Hiroki
Takahashi Osamu
Yoshioka Izumi
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Abstract
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Background: Most cases of facial asymmetry involve yaw deformity, and determination of the yaw correction level is very difficult.
Methods: We use three-dimensional soft tissue simulation to determine the yaw correction level. This three-dimensional simulation is based on the addition of cephalometric prediction to gradual yaw correction. Optimal yaw correction is determined visually, and an intermediate splint is fabricated with computer-aided design and computer-aided manufacturing. Application of positioning devices and the performance of horseshoe osteotomy are advisable.
Results: With this procedure, accurate repositioning of jaws was confirmed and patients obtained fairly good facial contour.
Conclusions: This procedure is a promising method for a widespread, predictable treatment of facial asymmetry.
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KEYWORD
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Facial asymmetry, 3D simulation, Soft tissue, CAD/CAM, Orthognathic surgery, Horseshoe osteotomy, Positioning device
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