2016 SPEAKER

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  • Dr. 尾島 賢治
  • Dr. 有本 博英
  • Dr. 久保田 衛
  • Dr. 坂本 紗有見
  • Dr. 大内 仁守
  • Dr. 村上 久夫
  • Dr. 大多良 俊光
  • Dr. 安 吉祐
  • Dr. 堀内 淳
  • Dr. 檀 知里
  • Dr. 西山 力
  • Dr. 尾島 賢治
  • Dr. Werner Schupp
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. 有本 博英
  • Dr. 篠原 範行
  • Dr. 久保田 衛
  • Dr. 坂本 紗有見
  • Dr. 大内 仁守
  • Dr. 村上 久夫
  • Dr. 安 吉祐
  • Dr. 石井一裕
  • Dr. 檀 知里
  • Dr. 尾島 賢治
  • Dr. 菅原 準二
  • Dr. Werner Schupp
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. Francesco Garino
  • Dr. Tommaso Castroflorio
  • Dr. Kamy Malekian
  • Dr. Sabrina Huang
  • Dr. Wolfgang Boisserée
  • Dr. 有本 博英
  • Dr. 篠原 範行
  • Dr. 河村 純
  • Dr. 岡藤 範正
  • Dr. 久保田 衛
  • Dr. 坂本 紗有見
  • Dr. 村上 久夫
  • Dr. 安 吉祐
  • Dr. Louis-Charles ROISIN
  • Dr. 檀 知里
  • Dr. 熊谷 友理子
  • Dr. 尾島 賢治
  • Dr. Ravi Nanda
  • Dr. 菅原 準二
  • Dr. Werner Schupp
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. Francesco Garino
  • Dr. Tommaso Castroflorio
  • Dr. Kamy Malekian
  • Dr. Wolfgang Boisserée
  • Dr. David Couchat
  • Dr. Sam Daher
  • Dr. Stephen Chang
  • Dr. 有本 博英
  • Dr. 渡辺 仁資
  • Dr. 村上 久夫
  • Dr. Louis-Charles ROISIN
  • Dr. 檀 知里
  • Dr. 尾島 賢治
  • Dr. Ravi Nanda
  • Dr. 菅原 準二
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. Kamy Malekian
  • Dr. David Couchat
  • Dr. Sam Daher
  • Dr. Waddah Sabouni
  • Dr. Alessandro Mario Greco
  • Dr. Ken Sirikrai
  • Dr. Chen ChengWei
  • Dr. 渡辺 仁資
  • Dr. 村上 久夫
  • Dr. 檀 知里

Dr. Jun Kawamura Department of Dental Materials Science, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan

Abstract

Japan Academy of Aligner Orthodontics 2016
Basic Research Background of Tooth Movement Examined by Aligner Orthodontics -Studies of Histological and Finite Element Simulation-
There are active tissue reactions due to orthodontic mechanical stress during orthodontic treatment. The mechanical stress causes bone remodeling mainly due to both activated osteoblasts and osteoclasts. The osteoblasts and osteoclasts cause both bone formation on the orthodontic tension side and bone resorption on the orthodontic pressure side. For establishing a pathological background of orthodontic treatment, many animal experiments have been performed. For examination of the histopathological changes and their repair, we examined the reactions of the mouse periodontal tissues after receiving the mechanical stress using Waldo method.
Next we tried to find out active tissue reactions due to orthodontic mechanical stress during aligner orthodontic treatment. If aligner orthodontic treatment enables optimal tooth movement, it has more advantages than conventional orthodontic treatments. However, unclear points still remain in the tooth movement patterns caused by aligner orthodontics. In addition, it was difficult to establish in Vivo method by using aligner orthodontics. In order to clarify tooth movement patterns caused by aligner orthodontics, we have conducted finite element simulation.
As a result the incisor was translated or rotated slightly, orthodontic tooth movements were simulated by the finite element method. At the same time axial rotation of the incisor was almost achieved. In the case of mesial translation, the crown moved to the predicted position but the root apex hardly moved. Slight intrusion of the incisor was achieved, but extrusion was almost impossible. Therefore, further research is required for our next examination.
This presentation has been conducted by following institutions, Matsumoto Dental University, Aichi-Gakuin University and Nagoya Institute of Technology.

CURRICULUM VITAE

2008 Graduated from Department of Dentistry, Aichigakuin University

2013 Best Paper Award (The Japanese Society for Dental Materals and Devices)
“Effect of bending angles in orthodontic retraction springs made from a titanium molybdenum alloy wire”

2014 Doctor of Philosophy, Department of Dentistry, Graduate School of Aichigakuin University
   “Mecahanical evaluation of orthodontic movement by fimnite element simulation”

2014 Assistant Professor, Department of Dentistry, Aichigakuin University
Assistant Director of Kawamura Dental Office

2014 Completion of certificated program of Japan Associate of Adult Orthodontics

2016 Best Presentation Award (Japan Associate of Adult Orthodontics)

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