2019 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. 尾島 賢治
  • Dr. Ravi Nanda
  • Dr. 菅原 準二
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. Nikhilesh R Vaid
  • Dr. Hoi-Shing Luk
  • Dr. Huang Hsuan-Ju
  • Dr. 渡辺 仁資
  • Dr. 中川 正治
  • Dr. 伊藤 啓介
  • Dr. 牧野 正志
  • Dr. 横谷 浩爾 先生
  • Dr. 瓜生 和彦
  • Dr. 檀 知里
  • Dr. 熊谷 友理子
  • Dr. 甘利 佳之
  • Dr. 築山 鉄平
  • Dr. 五十嵐 祐二
  • Dr. 勝山 英明
  • Dr. 長尾 龍典
  • Dr. 荒井 昌海
  • Dr. 尾島 賢治
  • Dr. Ravi Nanda
  • Dr. 山﨑 長郎
  • Dr. 菅原 準二
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. 渡辺 仁資
  • Dr. 檀 知里
  • Dr. 尾島 賢治
  • Dr. Ravi Nanda
  • Dr. Benedict Wilmes
  • Dr. Chris Chang
  • Dr. Werner Schupp
  • Dr. Yau Yi Kwong
  • Dr. Narandr Chevangkul
  • Dr. Francesco Garino
  • Dr. Tommaso Castroflorio
  • Dr. Kamy Malekian
  • Dr. Jay Bowman
  • Dr. David Couchat
  • Dr. Akim Benattia
  • Dr. 林 一夫
  • Dr. 渡辺 仁資

Dr. Dr. Koji Yokoya Tokyo Japan

Abstract

The 6th Japan Academy of Aligner Orthodontics Annual Congress 2019
Case report of Premolar extraction with Anterior ankylosis
The prognosis for tooth movement in orthodontic treatments for teeth with ankylosis is poor, and it is often difficult to move teeth with ankylosis to the desired position. This presentation examines a 4 premolar extraction case with upper anterior ankylosis. It reports on the current condition of treatment finished with a mouthpiece. [Case] Female patient was a 25yr 10mo old at initial visit [Chief Complaint] Desired improvement of protruding mouth [Examination] Examination of the facial configuration revealed slight mandibular rotation to the right. Convex type facial profile with upper and lower labial protrusion. Retrognathia of the mandible also confirmed. Angle II Class molar relation, with a +5.1mm overate and 0mm overbite. Cephalo examination showed SNA+83.3°、SNB+75.9°、ANB+7.5°(+2SD)、Gonial.a139.0°(+3SD)、Cd-Go(-3SD)、Pog’-Go(-2SD)、mandibular hypergrowth、progressive condylar resorption due to retrognathia、and respiratory stenosis. [Diagnosis] Retrognathia with Anterior Maxillary Protrusion. [Treatment Plan] upper anterior lingual braces, upper p / a impression tray, 2 upper #4 premolar extraction, installation of ⏊TAD in maxillary palate for maximum upper molar anchorage and upper molar intrusion from mandibular autorotation. Installation of lower labial brackets. Upper and lower #4 premolar extraction. [Treatment progress] Following upper and lower leveling with wires, 4 #4 premolar extraction. 1 year after beginning treatment no observable reaction in upper anterior teeth. Changed to mouthpiece, performed piezosurgery on the upper anterior teeth with favorable results.

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