上顎前歯部に3本の過剰歯を認めた1例

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  • A case of three supernumerary teeth in the maxillary incisor region

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We treated a male elementary School student with 3 supernumerary teeth in the maxillary incisor region detected by radiographic examination.1. The patient underwent radiography for detailed evaluation at dental clinic, was found to have 3 supernumerary teeth in the maxillary incisor region, and was referred to our department.2. There was nothing of note regarding the patient’s history of systemic disorders.3. The patient was aged 7 years and 11 months at the time of the first examination,when the Hellman dental developmental stage was IIC.4. The maxillary right deciduous central incisor was present, and the maxillary left central incisor had already erupted. 5. Three–dimensional examination by radiography and three–dimensional examination using cone–beam CT showed 3 supernumerary teeth and prolonged retention of the maxillary right deciduous central incisor, and ectopia and eruption disorder of the maxillary right central incisor were confirmed.6. At the age of 8 years and 2 months, the maxillary right deciduous central incisor, the maxillary right deciduous lateral incisor and supernumerary teeth were extracted under general anesthesia.7. The postoperative course has been uneventful, but we have decided to continue periodic management because of ectopia of the maxillary right central incisor.

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  • 松本歯学

    松本歯学 47 (1), 39-47, 2021-09-02

    松本歯科大学学会

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