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. 2022 Jan 5;11:743389. doi: 10.3389/fonc.2021.743389

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Copyright © 2022 Pu, Choi, Yeung, Yang, Zhu and Su

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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References used in accuracy analyses. (A) Fibula distal osteotomy accuracy analyses. Blue: Distal end of fibula after harvest. Pink: Fibula in preoperative virtual surgical planning. O: Center of the planned osteotomy plane. O’: Center of the actual osteotomy plane. O-O’: Axial deviation of the osteotomy plane. α: Angle deviation of the osteotomy plane. (B) Reconstruction segment accuracy analyses. Colored: Fibula segment at recipient site in postoperative CT scan. Pink: Fibula segment in preoperative virtual surgical planning. C: Center of the planned fibula segment. C’: Center of the actual fibula segment. C-C’: Center point deviation of the fibula segment. β: Angle deviation of the fibula segment. Absolute distance deviation represented in the color map. (C) Implant accuracy analyses. Yellow cylinder: Implant position in the virtual surgical plan. Pink cylinder: Actual implant position in the postoperative CT scan. P: Center point of implant platform in the virtual surgical plan. P’: Center point of implant platform in the actual implant. A: Apex of the implant in the virtual surgical plan. A’: Apex of actual implant placed. P-P’: Deviation in implant platform position (mm). A-A’: Deviation in implant apex position (mm). γ: Angle deviation of long axes of implants.