Condylar remodeling after osteosynthesis of fractures of the condylar head or close to the temporomandibular joint

Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
Linda SkrochAndreas Neff

Abstract

Condylar head fractures (CHFs) are increasingly treated by open reduction and internal fixation (ORIF). However, there are no reports on the three-dimensional postoperative volumetric transformation of the condyle, especially with regard to fragmented cases. Protruding hardware can lead to severe complications, so the goal of this study was to examine the amount of condylar bony resorption occurring after ORIF. Included were surgically treated CHFs with eligible cone beam computer tomography (CBCT) datasets immediately after ORIF (T1) and after implant removal (T2), plus fractures of the condylar neck and base as a reference. 2D vertical and 3D volume changes of the condylar head after ORIF of CHFs were evaluated by CBCT datasets transformed into 3D models for 3D volumetric assessment using Slicer freeware. Among a total of 50 fractures (38 patients), including 41 CHFs (ORIF with titanium positional screws, including 15 minor and 12 major fragmented cases) plus nine extracapsular fractures (eight upper neck and one base fracture), postoperative condylar volume decreased by a mean of 0.27 cm³ (median 0.25 cm³; SD 0.23 cm³) or 16% (median 14%; SD 11%). Major fragmented CHFs showed significantly higher resorption rates (p < 0.001,...Continue Reading

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Citations

Mar 23, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Xueting LuoYunfeng Li
Jun 2, 2021·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Jean-Pierre JohnerThomas Gander
Jul 5, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Abdo Ahmed Saleh MohamedDengqi He

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