恒牙下颌前牙先天性缺失：一例报告。
Agenesis of permanent mandibular anterior teeth: a case report.
作者信息
Pannu Parampreet Kaur, Kaur Avninder, Simratvir Mauli, Sujlana Amrita
机构信息
Department of Pediatric Dentistry, BRS Dental College and Hospital, Distt. Panchkula, Haryana, India.
出版信息
J Dent Child (Chic). 2011 Jan-Apr;78(1):76-80.
Tooth agenesis is one of the common congenital anomalies seen in humans. Hypodontia is the congenital absence of 1 or a few teeth only, with a prevalence of approximately 2% to 10% in the permanent dentition. The number of patients exhibiting congenitally missing mandibular incisors is low, with a prevalence rate of less than 1% observed. The purpose of this paper was to report a case of congenitally missing permanent mandibular incisors and canines in a 10-year-old girl.
牙齿发育不全是人类常见的先天性异常之一。少牙症是指仅先天性缺失1颗或几颗牙齿，在恒牙列中的患病率约为2%至10%。先天性缺失下颌切牙的患者数量较少，观察到的患病率低于1%。本文的目的是报告一名10岁女孩先天性缺失恒牙下颌切牙和尖牙的病例。
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