下顎頸部骨折時の小骨片が下顎切痕部に癒着して拘縮症を生じた小児の一例 A case of temporomandibular joint pseudoankylosis of a fractured condyle that fused to the mandibular notch in childhood

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著者

    • 片岡 竜太 KATAOKA Ryuta
    • 昭和大学歯学部顎口腔疾患制御外科学教室 Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University
    • 松井 義郎 MATSUI Yoshiro
    • 横浜市立大学大学院医学研究科顎顔面口腔機能制御学 Department of Oral and Maxillofacial Surgery, Yokohama City University, Graduate School of Medicine
    • 木野 孔司 KINO Koji
    • 東京医科歯科大学歯学部付属病院顎関節治療部 Temporomandibular Joint Clinic, Tokyo Medical and Dental University Hospital Faculty of Dentistry
    • 南雲 正男 NAGUMO Masao
    • 昭和大学歯学部顎口腔疾患制御外科学教室 Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University

抄録

A case of unilateral temporomandibular joint (TMJ) pseudoankylosis of a fractured condyle that fused to the mandibular notch is presented. A 6-year-old girl who had a traumatic accident at the age of 1 and a half years developed pseudoankylosis of the right TMJ. After the accident, she was transported to an orthopedic clinic for an X-ray examination. No bone fractures were evident. She had difficulty in opening her mouth after the injury, but no doctors were consulted until she was 3 and a half years old. She then underwent another X-ray examination by an oral and maxillofacial surgeon. The surgeon claimed that she suffered a fracture during the accident and recommended a mouth opening exercise. He later referred the patient to us because the exercise was not effective. The interincisal distance on mouth opening was 15mm at presentation.<BR>A panoramic X-ray film and CT examinations showed that a fractured condyle had fused to the mandibular notch struck against a zygomatic arch, resulting in hypomobility of the mandible. The patient underwent open surgery under general anesthesia. The operation included complete resection of the fused condylar segment and a rigid fixation of it to the stump of the condyle with titanium screws. Two years 10 months after surgery, the interincisal distance on mouth opening was 37mm, and no disturbance of jaw development or asymmetry of the face was observed.

収録刊行物

  • 日本口腔外科学会雑誌  

    日本口腔外科学会雑誌 53(3), 155-159, 2007-03-20 

    Japanese Society of Oral and Maxillofacial Surgeons

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各種コード

  • NII論文ID(NAID)
    10018858177
  • NII書誌ID(NCID)
    AN00189163
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00215163
  • NDL 記事登録ID
    8754771
  • NDL 雑誌分類
    ZS44(科学技術--医学--歯科学・口腔外科学)
  • NDL 請求記号
    Z19-145
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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