Abstract
Computer-aided surgical simulations using digital data have revolutionized orthodontics and have been adapted for orthognathic surgery to facilitate cephalometric analysis, surgical simulation, and fabrication of splints. Planning of bone movements in a virtual environment is needed in orthognathic surgery of complex cases much more than in conventional patient’s situations. The inclusion of skull bone data (generated by computed tomography (CT) or cone beam computed tomography (CBCT) images), dental and occlusal data (gained through intraoral or dental cast scanners), and facial surface texture data (generated by optical surface scanners) enables a high-resolution phenotyping of patients. Modern software with precise matching programs allow integration of these data to one model. Surgical simulation can be done for all anatomical locations and in all spatial directions. The planning of jaw movements is generally based on the standards of orthognathic surgery treatment protocols, but surgery is much more challenging. Technological advances in 3D printing can be used to fabricate custom positioning splints or prefabricated cutting/drilling devices and osteosynthesis plates. These developments can be integrated in a digital workflow to enable the intraoperative jaw positioning in all three space levels. Through this approach, orthognathic surgical results can be dramatically improved.
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Meyer, U., Valentin, K. (2023). Decision-Making in Orthognathic Surgery by Virtual Planning and Execution. In: Meyer, U. (eds) Fundamentals of Craniofacial Malformations. Springer, Cham. https://doi.org/10.1007/978-3-031-28069-6_14
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DOI: https://doi.org/10.1007/978-3-031-28069-6_14
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