上海口腔医学 ›› 2014, Vol. 23 ›› Issue (2): 253-257.

• 病例报告 • 上一篇    

上颌正中孤立中切牙综合征1例报告

康丽颖, 刘新强   

  1. 青岛大学医学院附属医院 口腔正畸科, 山东 青岛 266003
  • 收稿日期:2013-07-17 出版日期:2014-04-20 发布日期:2014-05-21
  • 作者简介:康丽颖(1988-), 女, 在读硕士研究生, E-mail:kangliying2007@163.com刘新强, E-mail:dentistlxq@163.com

Solitary median maxillary central incisor syndrome:a case of report

KANG Li-ying, LIU Xin-qiang   

  1. Department of Orthodontics, the Affiliated Hospital of Medical College, Qingdao University. Qingdao 266003, Shandong Province, China
  • Received:2013-07-17 Online:2014-04-20 Published:2014-05-21

摘要: 上颌正中孤立中切牙(solitary median maxillary central incisor, SMMCI)是一种比较罕见的牙畸形, 是指在上颌牙弓中仅发育并萌出1颗中切牙且该中切牙位于牙弓的正中, 形态左右对称, 大小与正常中切牙相似, 在乳、恒牙列均可见。SMMCI可单独发生, 也可伴发其他先天性中线结构畸形, 或与一些系统性疾病同时发生。其中, 与前脑无裂畸形(holoprosencephaly, HPE)关系最为密切。本文报告1例伴有其他中线结构缺陷的上颌正中孤立中切牙病例。并对相关问题进行讨论。

关键词: 上颌正中孤立中切牙, 前脑无裂畸形, 中线结构缺陷

Abstract: Solitary median maxillary central incisor (SMMCI) is a rare dental anomaly characterized by a symmetric central incisor of normal size, developed and erupted precisely in the midline of the maxilla in both primary and permanent dentitions. SMMCI may occur alone or be associated with other midline structures defects of the body or other systemic disorders. The best known association is holoprosencephaly (HPE). This paper reported a case of SMMCI that companied with other midline structures defects of the body.

Key words: Solitary median maxillary central incisor, Holoprosencephaly, Midline defects

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