A case of severe facial asymmetry with the double headed mandibular condyle treated by orthognathic surgery and excision of supplemental condyle

DOI
  • KAWAMURA Hiroshi
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • KAMAKURA Shinji
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • NAGASAKA Hiroshi
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • SATO Syuichi
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • MOTEGI Katsutoshi
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • SUGAWARA Junji
    Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry
  • SOYA Takemi
    Department of Orthodontics, Tohoku University School of Dentistry
  • MITANI Hideo
    Department of Orthodontics, Tohoku University School of Dentistry

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Other Title
  • 二重下顎頭を伴った著しい顔面非対称に顎矯正手術と付随的下顎頭切除術を行った1例

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Abstract

A case of severe facial asymmetry with double headed mandibular condyle in a 15-year-old girl was reported at the first medical examination.<br>Clinical observation for about 30 months after the initial consultation did not disclose any alteration in the TMJ.<br>Because the patient demonstrated TMJ dysfunction, supplemental mandibualr condyle was excised with the aid of CT scan and other methods.<br>Prior to the surgery, severe malocclusion and facial asymmetry was improved so as to allow satisfactory jaw movement following the TMJ surgery.<br>In the TMJ surgery, the disc was shaped closely in the normal posture.<br>The patient's progress following the operation was favorable and steady.<br>In the treatment of double headed mandibular condyle it proved useful to examine not only TMJ function but also to use CT scan and bone scintigraphy.<br>In the surgery for double headed mandibular condyle, it was important for satisfactory postoperative training of mandibular movement both to preserve the original condyle with disc and to establish a harmonious occlusion.

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