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首页> 外文期刊>Pediatric dentistry >Maxillary canine-to-maxillary incisor transposition
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Maxillary canine-to-maxillary incisor transposition

机译：上颌尖牙至上颌切牙的移位

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Dental transposition is the positional interchange of two adjacent teeth. Canine transpositions are usually accompanied by other dental anomalies, such as: impaction of the incisors; missing teeth; peg-shaped lateral incisors; severe rotation or malposition of adjacent teeth; dilacerations; and malformations. Local pathologic processes, such as tumors, cysts, retained primary canines, and supernumerary teeth, might be responsible for canine transposition. The purpose of this paper was to present a rare case of maxillary canine-to-maxillary incisor transposition in an 8-year-old girl. The patient presented with noneruption of the permanent maxillary left central incisor, and a radiographic examination revealed an impacted dilacerated incisor. The central incisor was extracted because the root was severely dilacerated. At the 3-year follow-up, an oral examination revealed that the canine had transposed to the extraction site. Through orthodontic traction, combined with reshaping of the tooth, the transposed canine was successfully positioned into the incisor position.
机译：牙齿移位是两个相邻牙齿的位置互换。犬的移位通常还伴有其他牙齿异常，例如：门齿的撞击;牙齿缺失;钉状的侧切牙;相邻牙齿剧烈旋转或错位;角力和畸形。局部病理过程，例如肿瘤，囊肿，保留的原犬齿和多余的牙齿，可能是犬移位的原因。本文的目的是介绍一个8岁女孩上颌牙到上颌切牙易位的罕见病例。该患者表现为永久性上颌左中切牙未破裂，影像学检查显示该切牙受累。拔除中央门牙是因为根部严重脱落。在3年的随访中，口腔检查显示犬已经转移到提取部位。通过正畸牵引，结合牙齿的整形，将移位后的犬成功地定位在门牙位置。

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