日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
乳歯列期に発現した鼻腔内過剰歯症例: その成因と文献的考察
立石 晃川端 賢一山田 長敬
著者情報
キーワード: 過剰歯, 鼻腔, 乳歯列期, 病因
ジャーナル フリー

1990 年 36 巻 3 号 p. 658-662

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A case of inverted supernumerary tooth in the right nasal cavity in a 4-year-3-month-old girl during the deciduous dental stage was presented. Previous reports and etiology were reviewed.
It was possible to extract the tooth through the nostril and it seemed to be a deciduous supernumerary tooth from the morphological structure and the patient's age at the onset of disease.
The etiology of intranasal tooth is unclear. We speculate that the supermumerary tooth in this case was caused by extrusion of a deciduous tooth germ into the nasal cavity at the formation of primary palate.

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