7本の埋伏過剰歯を認めた1例

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タイトル別名
  • A case of seven impacted supernumerary teeth
  • 7ホン ノ マイフク カジョウシ オ ミトメタ 1レイ

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The prevalence of supernumerary teeth is about 1 percent, but multiple supernumerary teeth are extremely rare. We report the case of a 15-year-old girl with seven impacted supernumerary teeth detected on panoramic radiographic examination. The panoramic X-ray film showed six supernumerary teeth impacted bilaterally in the canine-premolar region of the mandible and one supernumerary tooth impacted in the right maxillary molar region. On computed tomography, all of the impacted teeth were incompletely developed. We extracted all of the supernumerary teeth under general anesthesia. We pathologically examined the connective tissue surrounding the impacted teeth. Histopathologically, there were many small lumps of odontogenic epithelium in the connective tissue.

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