正中埋伏過剰歯を伴った両側上顎中切歯の埋伏と矯正治療終了後に両側性に下顎小臼歯部に過剰歯を認めた希有なる例

  • 太田 義之
    Ohta Orthodontic Clinic
  • 山本 学
    Department of Oral and Maxillofacial Surgery, Shiga University of Medical Science
  • 田中 章夫
    Department of Oral and Maxillofacial Surgery, Shiga University of Medical Science
  • 中田 利明
    Department of Oral and Maxillofacial Surgery, Shiga University of Medical Science
  • 吉武 一貞
    Department of Oral and Maxillofacial Surgery, Shiga University of Medical Science

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タイトル別名
  • A rare case of impacted maxillary central incisors with impacted supernumerary teeth and with a complication of impacted supernumerary teeth in bilateral mandibular premolar regions found after the first orthodontic treatment

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Impacted supernumerary teeth are found in any position of the jaws, sometimes in the vicinity of a impacted permanent tooth. In order to make a diagnosis and design of orthodontic and surgical procedures in the above case, it is necessary to synthesize the whole situation in each case, especially a satisfactory prognosis.<BR>We report all procedures of orthodontic treatment both on the maxillary incisal and mandibular premolar regions. Impacted bilateral incisors were retracted down to the dental arch after extraction of impacted supernumerary teeth positioned superficial to these incisors. Four premolars also were extracted as crowding cases.<BR>Following 1.5 years, a bicuspid-like, supernumerary tooth surprisingly has appeared in each extracted socket of 4_??_4. This case has been still observed carefully as post-treatment, including newly appeared supernumerary teeth.

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