Abstract
The advent of virtual surgical planning (VSP) represents a fundamental shift in the work-up of orthognathic and reconstructive maxillofacial surgery cases. VSP utilizes computer assisted design-computer assisted modeling (CAD-CAM), and gives the surgeon the ability to make complex spatial changes on a virtual platform instead of a lab bench. This technology allows design and fabrication of an intermediate splint which in the past required cumbersome model surgery to control precise movements in yaw, pitch, and roll. The use of VSP for orthognathic surgery is described in the literature1,2, however, there are few studies comparing the precision of VSP movements with those previously performed with plaster models and articulators. This study is an analysis of error achieved with VSP for orthognathic surgery.
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