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http://dx.doi.org/10.9718/JBER.2022.43.6.382

A Study of Orthognathic Surgical Guides with Two-stage Split Path  

Min Uk, Kim (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Chung Hwan, Park (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Ji Hyoung, Rho (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Eui Sung, Jung (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Young Sang, Park (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Dong Guk, Kim (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Yohan, Seo (New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Young Jea, Woo (Medical Device Development Center, Daegu Gyeongbuk Medical Innovation Foundation)
Jong Min, Lee (Department of Radiology, School of Medicine, Kyungpook National University)
Publication Information
Journal of Biomedical Engineering Research / v.43, no.6, 2022 , pp. 382-389 More about this Journal
Abstract
In this study, the accuracy of the orthognathic surgical guides with single-stage split path was upgraded to realize orthognathic surgical guides with two-stage split path and simulated surgery was performed to verify its accuracy. As a result, the average error distance between the simulation model and the scan model was + 0.289 / - 0.468 mm (standard deviation 0.128), which was confirmed to be within ± 0.5 mm, which is a clinically acceptable level. Also, there was no significant difference compared with the average value of + 0.313 / - 0.456 mm (average standard deviation 0.106) of the conventional single-stage split path type device. It is judged that the use of this device can contribute to the reduction of surgical time and increase in accuracy since a separate finishing operation for bone preparation is unnecessary.
Keywords
Orthognathic surgery; Maxilla; 3D Print; 3D CAD; 3D Scan;
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