An Artificial Intelligence‐Based Cosmesis Evaluation for Temporomandibular Joint Reconstruction

alexandrossfakianakis shared this article with you from Inoreader An Artificial Intelligence‐Based Cosmesis Evaluation for Temporomandibular Joint Reconstruction via The Laryngoscope A state-of-the-art AI facial recognition system was applied to the symmetry evaluation of the faces underwent mandibular reconstruction surgery with free vascularized fibular flaps. Temporomandibular joint reconstruction with fibular bone was found to match the original joint in terms of symmetry as well as function. Objective Management of the temporomandibular joint (TMJ) following condylar resection remains challenging in the field of mandibular reconstruction. A simple reconstruction of the TMJ with a contoured end of a fibular graft placed into the joint space is a potential option, but its efficacy is unknown partly because there are only few objective assessment systems for aesthetic outcome. This study aimed to develop an artificial intelligence (AI)-based aesthetic outcome evaluation system for the simple TMJ reconstruction method and evaluate its functional outcomes. Methods Patients who underwent segmental mandibular resection and reconstruction with fibular flaps at our institution between 2011 and 2020 were retrospectively reviewed. The mandibular asymmetry value was introduced as a primary aesthetic outcome measure, calculated for each patient's photograph using facial recognition AI. The outcomes of the simple TMJ reconstruction method were compared with those of cases in which the native condyle was preserved. Results Ten patients underwent condylar resection followed by simple TMJ reconstruction, while the native condyle was preserved in 18 patients. No significant difference was observed in the postoperative mandibular asymmetry value between the two treatment groups. No significant differences were found in the functional outcomes of deglutition and speech. Conclusion The AI-based asymmetry evaluation system was useful as an aesthetic outcome measure in mandibular reconstruction. Simple TMJ reconstruction with a fibular end seemed to be a promising option, as there were no significant differences in both aesthetic and functional outcomes between this method and those cases in which the native condyle was preserved. Laryngoscope, 2022 View on Web

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