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KMID : 0360120010230040366
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2001 Volume.23 No. 4 p.366 ~ p.375
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Surgical Index for Bone Shaving using Rapid Prototyping Model: Technical proposal for treatment of fibrous dysplasia
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Abstract
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Bone shaving for surgical correction is general method in facial asymmetrical patient with fibrous dysplasia. Therefore, decision of bone shaving amount on the preoperative planning is very difficult for improvement of ideal occlusal relationship and harmonious face. Preoperative planning of facial asymmetry with fibrous dysplasia is generally confirmed by the simulation surgery based on evaluation of clinical examination, radiographic analysis and analysis of facial study model. However, the accurate postoperative results can not be predicted by this method. By using the computed tomography based RP(rapid prototyping) model, simulation of facial skeleton can be duplicated and 3-dimensional simmulation surgery can be perfomed. After fabrication of postoperative study model by preoperative bone shaving, preoperative and postoperative surgical index was made by omnivaccum and clear acrylic resin. Amount of bone shaving is confirmed by superimposition of surgical index at the operation. We performed the surgical correction of facial asymmetry patients with fibrous dysplasia using surgical index and prototyping model and obtained the favorable results.
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KEYWORD
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Bone shaving, RP model, Surgical index
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