エナメル上皮腫に対する腫瘍切除，腸骨移植による下顎骨再建後に下顎骨後方移動術を行った1例

DOI Web Site 参考文献7件 オープンアクセス
  • 野添 悦郎
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野
  • 石畑 清秀
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野
  • 大河内 孝子
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野
  • 下松 孝太
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野
  • 松本 幸三
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野
  • 窪田 健司
    鹿児島大学大学院医歯学総合研究科歯科矯正学分野
  • 國則 貴玄
    鹿児島大学医学部・歯学部附属病院矯正歯科
  • 宮脇 正一
    鹿児島大学大学院医歯学総合研究科歯科矯正学分野 鹿児島大学医学部・歯学部附属病院矯正歯科
  • 中村 典史
    鹿児島大学大学院医歯学総合研究科顎顔面機能再建学講座口腔顎顔面外科学分野

書誌事項

タイトル別名
  • A Case of Mandibular Setback Operation after Mandibular Bone Reconstruction with Iliac Bone Grafting in Ameloblastoma

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説明

We describe a case in which ameloblastoma occurred in the left mandibular bone, and mandibular segmental resection was performed together with autogenous iliac bone grafting. In addition, mandibular setback was achieved by subjecting the iliac bone grafted region to an osteotomy, as the patient wanted to improve his reverse occlusion. In this report, we describe the treatment performed and analyze the resultant change in the height of the transplanted bone. <br>The patient was a 34-year-old male. During the first examination, multilobular radiolucent lesions were noted between the left mandibular premolar area and ramus, and a definitive diagnosis of ameloblastoma was made based on a biopsy. After resecting the tumor via mandibular segmental resection and performing plate reconstruction, secondary mandibular bone reconstruction was carried out using iliac bone grafting. Thereafter, no tumor recurrence was observed, and a partial denture was inserted in the left mandibular area. Ten years after the tumor resection procedure, the mandible was repositioned posteriorly by conducting a sagittal split ramus osteotomy on the right side and osteotomy of the iliac bone-grafted mandibular molar region on the left side to improve the patient’s reverse occlusion. The osteotomy in the bone-grafted area was performed without any problems. After surgery, the patient’s clinical course was favorable, and he did not suffer any infections or resorption of the bone graft. During the 4-year follow-up period after the mandibular setback operation, a relapse of approximately 1.5mm was noted at the menton. The patient’s postoperative course was favorable, and he was very satisfied with the treatment outcome. When iliac bone grafting is performed without a vascular pedicle, it is considered that symptoms are less likely to occur if the grafted bone is subjected to osteotomy after long-term stability has been achieved.

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