Computer-assisted navigation: its role in intraoperatively accurate mandibular reconstruction

Publication date: Available online 13 February 2016
Source:Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Author(s): Jinyang Wu, Jian Sun, Steve Guofang Shen, Bing Xu, Jun Li, Shilei Zhang
ObjectiveThis article presents our experiences of computer-assisted navigation in mandibular reconstruction and evaluates its effectiveness.MethodsEight patients who underwent navigation-guided mandibular reconstruction with a fibula free flap were reviewed. Under intraoperative navigation, the ideal positions of the mandibular angles and condyles were confirmed by the navigation probe. The surgical results were evaluated through postoperative panoramic radiographs, coronal CT scans and image fusion.ResultsNavigation-guided mandibular reconstructions were successfully completed based on preoperative planning and simulation. The surgical discrepancy in the mandibular angle between the actual surgical results and the preoperative designs was 1.92±0.97 mm. Panoramic radiographs and coronal CT scans illustrated that all the condyles fitted into their glenoid fossae. All patients were satisfied with their functional and esthetic outcomes.ConclusionComputer-assisted navigation is a viable technology for improving surgical outcomes in mandibular reconstruction, which can assist the surgeons by providing real-time 3-dimensional surgical references during the operation.



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