A Case of Angle Cl. Ⅱ Div. 1 Treated with Extracting Maxillary Central Incisors

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  • 外傷の既往を持つ上顎両側中切歯の便宜抜歯を行ったAngle Ⅱ級1類症例
  • 症例報告 外傷の既往を持つ上顎両側中切歯の便宜抜歯を行ったAngle Ⅱ級1類症例
  • ショウレイ ホウコク ガイショウ ノ キオウ オ モツ ジョウガク リョウガワ チュウ セッシ ノ ベンギ バッシ オ オコナッタ Angle Ⅱ キュウ 1ルイ ショウレイ

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Abstract

This report outlines orthodontic treatment with extraction of traumatized maxillary central incisors in a patient with maxillary protrusion; this treatment led to a successful outcome based on both occlusal function and esthetic balance viewpoints. The patient, a 24-year-old man, had Angle Class Ⅱ division 1 with crowding, and had an injury in the maxillary anterior teeth about 1 year previously. His maxillary left central incisor had a history of avulsion, but a treatment plan for extraction of upper and lower premolars was considered because of favorable progress. However, the maxillary left central incisor was a pulpless tooth. Thus, after consultation with the patient, we decided to perform expedient extraction of the maxillary left and right central incisors, given the risks during and after orthodontic treatment. After the orthodontic treatment, the shape of the maxillary anterior teeth were corrected by direct filling with composite resin. The present case suggests that orthodontic treatment with low invasiveness and long-term stability may be feasible by considering teeth other than premolars, including even those that can be preserved, for expedient extraction, while maintaining balance with the patient’s aesthetic demand.

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