Abstract
As computer-assisted surgical design becomes increasingly popular in maxillofacial surgery, the integration of the natural head position (NHP) of a 3-dimensional virtual patient has become a primary problem that orthognathic surgeons have to solve during virtual surgical planning. The present technique describes a way of transferring the horizon orientation of the NHP into a computer-aided design software program with a recently developed NHP recording and transferring device (Patent No. ZL202110992198.6 China). The device can record NHP using 5 marked points which can be visualized radiographically.
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