Yodrabum N.Tianrungroj J.Sinmaroeng C.Rudeejaroonrung K.Pavavongsak K.Puncreobutr C.Mahidol University2024-02-082024-02-082024-01-01Journal of Craniofacial Surgery Vol.35 No.1 (2024) , 63-6610492275https://repository.li.mahidol.ac.th/handle/123456789/95865Background: Computer-assisted surgery is used to design and manufacture cutting guides in mandibular reconstructions with fibula-free flaps. To improve the outcomes of the procedure, the aim of this research was to investigate and compare the accuracy of mandibular reconstruction following the use of 2 versus 3 anatomical reference cutting guides. Methods: Eighteen sets of prototype bone models retrieved from an ameloblastoma patient were used for mock operations. The mandibular segmental osteotomies and fibular reconstructions were performed using 2 and 3 anatomical reference cutting guides in vivo surgeries. After reconstruction, the accuracy of the placed reference points was measured by superimposition of computed tomography images. Results: The error in cutting guides when using 2 or 3 anatomical references showed no significant difference. The fibular and condylar errors of the cutting guide between 2 and 3 anatomical references showed no significant difference in every plate type. The difference in screw hole position errors between 2 and 3 anatomical reference cutting guides was not statistically significant. Conclusions: Two anatomical reference cutting guides are sufficient and reasonable enough for mandible resection. However, there were some limitations and errors in our study.MedicineArticleSCOPUS10.1097/SCS.00000000000097402-s2.0-8518108496415363732