明海大学病院矯正歯科における過去10年間の外科的矯正治療の検討

DOI 被引用文献1件
  • 成田 亜希子
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 大塚 雄一郎
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 久保 迪
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 遠藤 則和
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 佐々木 会
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 龍田 恒康
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野I
  • 重松 久夫
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 松井 成幸
    明海大学歯学部形態機能成育学講座歯科矯正学分野
  • 嶋田 淳
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野I
  • 坂下 英明
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 須田 直人
    明海大学歯学部形態機能成育学講座歯科矯正学分野

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  • Statistical Analysis on Surgical Orthodontic Treatment in the Clinic of Orthodontics of Meikai University Hospital over a 10-year Period

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In order to clarify the trend of patients undergoing surgical orthodontic treatment over the past decade at the Clinic of Orthodontics of Meikai University Hospital, a statistical analysis was performed. The general information, skeletal pattern and occlusion were examined.<br>The results were as follows:<br>1. A total of 208 cases underwent surgical orthodontic treatment. There was a gradual annual increase in the number of patients. The numbers of male and female patients were 63 (30.6%) and 145 (69.4%), respectively. The average age at the initial visit and orthognathic surgery were 21.3 and 24.1 years old, respectively. 97.6% of patients lived in Saitama prefecture where Meikai University Hospital is located. The chief complaints were facial deformity (79.3%) and occlusion (17.8%).<br>2. Skeletal Class I, II and III cases accounted for 14.9%, 8.7% and 76.4%, respectively. Skeletal Class III cases were divided into two groups according to whether sagittal split ramus osteotomy (SSRO) and/or intraoral vertical ramus osteotomy (IVRO) was performed (one-jaw group), or two-jaw surgery was performed (two-jaw group). Comparing the one- and two-jaw surgery groups, ANB angle was significantly smaller in the latter than the former, but there was no significant difference in Frankfort mandibular plane angle (FMA) between the two groups.<br>3. Patients undergoing SSRO solely accounted for 56.7%, followed by SSRO and Le Fort I osteotomy (17.3%), IVRO solely (8.7%), SSRO and IVRO (8.2%), Wassmund osteotomy solely (3.9%), and Wassmund osteotomy and SSRO (1.4%).<br>4. Female skeletal Class III patients tended to seek orthognathic treatment even if their intermaxillary discrepancy was mild.<br>5. 74.1% and 76.7% of the one- and two-jaw surgery groups, respectively, underwent first premolar extraction.

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