Electromagnetic Navigation in Craniofacial Surgery Based on Automatic Registration of Dental Splints

Electromagnetic Navigation in Craniofacial Surgery Based on Automatic Registration of Dental Splints: Optical navigation method cannot be used in partial craniofacial surgery due to light blocking. At present, electromagnetic navigation method can be used instead. The occlusal splint obtained from the patient's dental mold is used in the traditional electromagnetic navigation registration. Then, marker points are selected manually for registration through imaging data during the operation, which leads to the deviation of selection. In this study, the self-developed registration software was used to perform automatic registration in the intraoperative registration. Experimental results showed that it has higher accuracy and faster speed, and is suitable for the actual operation process in clinical environment compared with the traditional manual registration.

Address correspondence and reprint requests to Le Xie, PhD, Institute of Forming Technology & Equipment, Shanghai Jiao Tong University, 1954 Hua Shan Road, Shanghai 200030, China; E-mail: lexie@sjtu.edu.cn; Haisong Xu, MD, PhD, Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhi Zao Ju Road, Shanghai 200011, China; E-mail: xuhaisongmd@qq.com

Received 10 June, 2019

Accepted 31 August, 2019

LL and YG contributed equally to the work.

This work was supported by the Natural Science Foundation of China (no. 61672341), the Project of Science and Technology Commission of Shanghai municipality (nos. 17441903800, 18DZ2201900, and 19441912300), the Project of SJTU Medical and Engineering Cross Fund (no. YG2017ZD03), the Shanghai Municipal Education Commission, Gaofeng Clinical Medicine Grant Support (no. 20161420), and the Shanghai Jiao Tong University and Chinese University of Hong Kong Joint Research Fund Program.

The authors report no conflicts of interest.

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© 2019 by Mutaz B. Habal, MD.