まれな固有鼻腔内逆生歯の1症例

概要

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There have been several reports concerning ectopic tooth in the maxilla, but eruption into the nasal cavity is rare.<BR>A case of tooth eruption into the nasal cavity was presented and previous reports were reviewed.<BR>Etiology of intra-nasal teeth is unclear, however developmental disturbance such as a cleft palate, dislocation by trauma, syphilis and maxillary infection were said to be etiological factors.<BR>Our case which developed in a 62 year-old female revealed a eruption of the tooth into the right nasal cavity due to osteomyelitis of maxilla in childhood.<BR>Roentogenographic and computed tomographic examinations confirmed presence of a tooth-like structure in the nasal cavity. As treatment, the tooth was extracted according to Partsch's approach under local anesthesia and it was found to be the right permanent canine tooth from morphological structure.
社団法人日本口腔外科学会の論文