Template-based temporomandibular joint puncturing and access in minimally invasive TMJ surgery (MITMJS) - A technical note and first clinical results

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Abstract

Background: Minimally invasive temporomandibular joint surgery (MITMJS) is an option for patients suffering from severe internal derangement or adhesions. To improve TMJ access, a workflow to create surgical templates is introduced. Methods: A workflow to generate a dividable patient specific template based on CBCT and optical scanning to access the joint is introduced. In a first clinical trial 3 patients (6 joints) were treated by way of template-guided endoscopically-assisted TMJ therapy (3 arthrocenteses and 3 arthroscopies). Results: Generation and clinical use of the templates was as planned. All templates showed perfect fit and permitted instant access to the TMJ. All surgeries were performed without complications. Conclusions: Template-guidance could improve the feasibility of endoscopically-assisted TMJ therapy. An important issue is the capability to dis- and remount the template during surgery. Using in-house production, costs are affordable. Trial registration: This study was registered at the Ethic Committee of the Berlin Medical Chamber (Eth-30/17, 12/06/2017).

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Krause, M., Dörfler, H. M., Kruber, D., Hümpfner-Hierl, H., & Hierl, T. (2019). Template-based temporomandibular joint puncturing and access in minimally invasive TMJ surgery (MITMJS) - A technical note and first clinical results. Head and Face Medicine, 15(1). https://doi.org/10.1186/s13005-019-0194-8

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