Intraoperative Change in Defect Size during Maxillary Reconstruction Using Surgical Guides Created by CAD/CAM

Plastic and Reconstructive Surgery. Global Open
Daiki MoritaShigeru Hirano

Abstract

Surgical osteotomy guides created by computer-aided design/computer-aided manufacturing (CAD/CAM) have been developed and are now widely used in maxillofacial reconstruction. However, there are no standard procedures for dealing with an intraoperative change in defect size. We report on a case in which we used our CAD/CAM guides to deal with an intraoperative change in defect size in a maxillary reconstruction. We planned the maxillary reconstruction using a free fibula flap because of left maxillary sinus cancer in a 73-year-old man. In Japan, we cannot use commercially supplied CAD/CAM guides because these have not been approved by the government. We created novel CAD/CAM guides by using free software and a low-cost 3D printer. We performed model surgery to check the accuracy of the design and to prebend the titanium plates before the operation. The actual defect in the maxilla was found to be smaller than that used in preoperative planning. It was therefore necessary to rearrange the fibular segments and to rebend the plates. Comparison between the preoperative and postoperative 3D images showed that the deviation was 2-4 mm. In case that the CAD/CAM guides become inapplicable because of an intraoperative change in defect si...Continue Reading

References

Dec 3, 2010·Plastic and Reconstructive Surgery·Matthew M HanasonoRoman J Skoracki
Aug 30, 2013·Plastic and Reconstructive Surgery·Adam SaadHugo St Hilaire
Apr 19, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·W B ZhangX Peng
Sep 12, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Achille TarsitanoClaudio Marchetti
Jan 16, 2016·Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology·Guang-sen ZhengXiao-mei Lao
Feb 7, 2016·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·You-Yuan WangJin-Song Li
Mar 24, 2016·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Yao YuXin Peng
Aug 19, 2016·Plastic and Reconstructive Surgery. Global Open·Toshiaki NumajiriKenichi Nishino

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Citations

Apr 4, 2021·Journal of Clinical Medicine·Gustaaf J C van BaarFrank K J Leusink
Sep 23, 2021·Plastic and Reconstructive Surgery. Global Open·Paige L MyersEvan Matros

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