A case of bilateral temporomandibular joint ankylosis reconstructed by mandibular reconstruction plates with condylar heads

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  • MANO Takamitsu
    Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine
  • MIZUGAKI Yuzo
    Department of Oral and Maxillofacial Surgery, Hikari Municipal Yamato General Hospital
  • HORINAGA Daiju
    Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine
  • UCHIDA Kenichiro
    Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine
  • MORI Yoshihide
    Department of Oral and Maxillofacial Surgery, Kyushu University Graduate School of Dentistry
  • UEYAMA Yoshiya
    Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine

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Other Title
  • 関節頭付き下顎再建用プレートで再建した両側骨性顎関節強直症の1例
  • カンセツ アタマツキ シタアゴ サイケンヨウ プレート デ サイケン シタ リョウガワコツセイ ガク カンセツ ゴウチョクショウ ノ 1レイ

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Abstract

Temporomandibular joint （TMJ） ankylosis sometimes occurs with re-adhesion postoperatively for various reasons. In patients with re-adhesion after surgery, bony adhesion at the TMJ advances rigidly leading to poor mobility of the mandible, making it difficult to treat TMJ ankylosis. We describe a patient with bilateral TMJ ankylosis in whom reconstruction was performed with the use of mandibular reconstruction plates with condylar heads during arthroplasty.<br>A 56-year-old woman was referred to our hospital because of severe trismus. Bilateral TMJ ankylosis was diagnosed on CT examination. We performed bilateral arthroplasty. The bone of the mandibular ramus was resected, and the mandibular body was pulled forward and downward. Subsequently, the mandible was reconstructed using plates with condylar heads. The patient is making satisfactory progress without any postoperative signs of re-ankylosis.

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