The Treatment of Mandibular Condylar Fractures Using an Internal Distraction Device during a 7-year Period

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  • Takada Taichi
    Department of Plastic Surgery, Kyorin University School of Medicine
  • Oshima Naoya
    Department of Plastic Surgery, Kyorin University School of Medicine
  • Iwashina Yuki
    Department of Plastic Surgery, Kyorin University School of Medicine
  • Ozaki Mine
    Department of Plastic Surgery, Kyorin University School of Medicine

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<p>Objectives: Mandibular condylar fractures are common, accounting for approximately 25%-50% of all mandibular fractures. However, the optimal therapeutic method remains controversial. We have used an internal distraction device for treating mandibular condylar fractures for the past 7 years. The aim of this study was to analyze our clinical outcomes.</p><p>Methods: We retrospectively analyzed the medical charts of 62 patients with mandibular condylar fractures (84 joints) treated by internal distraction device fixation from April 2015 to June 2022 at our hospital.</p><p>Results: The patients were 34 males and 28 females (mean age of 49.7 years at surgery). At 3 months postoperatively, the mean mouth opening width was 42.3 mm. Postoperative complications included temporary facial nerve paralysis of a temporal branch (6 patients) and breakage of the device during attachment (22 patients, 24 joints). In all cases in which the device was broken, it was removed within a few weeks, and satisfactory results in terms of mouth opening were obtained.</p><p>Conclusions: This method is recommended as a treatment option for mandibular condylar fractures because of its simplicity and satisfactory results compared with other methods.</p>

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