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A case of inverted supernumerary tooth in nasal cavity Kazuhiko Nario 1 , Go Sakagami 1 , Akira Horinaka 1 , Shouhei Matsuyama 1 , Tadashi Kitahara 2 1Nara Prefectural General Medical Center, Department of Otorhinolaryngology pp.163-166
Published Date 2021/2/20
DOI https://doi.org/10.11477/mf.1411202617
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 We report a rare case of an inverted supernumerary tooth in the nasal cavity. A 6-year-old boy with a mass in the right nasal cavity was referred to our institution. Endoscopy and computed tomography revealed that the mass was a tooth-like structure, which was partially covered with granulation tissue, present on the floor of the right nasal cavity. We extirpated the inverted tooth, which was attached to the inferior turbinate, by endoscopic surgery under general anesthesia. It resembled a canine tooth. Clinicians should be aware of the differential diagnoses for intranasal teeth which may include foreign bodies, rhinoliths, and tumors.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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