与下沉乳牙及额外前磨牙相关的前磨牙先天缺失：一例罕见病例报告。
Agenesis of premolar associated with submerged primary molar and a supernumerary premolar: An unusual case report.
作者信息
Nirmala S V S G, Sandeep C, Sivakumar N, Babu M S, Lalitha V
机构信息
Department of Pedodontics and Preventive Dentistry, Narayana Dental College, Nellore, Andhra Pradesh, India.
出版信息
Contemp Clin Dent. 2012 Apr;3(Suppl 1):S99-S102. doi: 10.4103/0976-237X.95116.
The combination of submerged primary molar, agenesis of permanent successor with a supernumerary in the same place is very rare. The purpose of this article is to report a case of submerged mandibular left second primary molar with supernumerary tooth in the same region along with agenesis of second premolar in an 11-year-old girl, its possible etiological factors, and a brief discussion on treatment options.
下颌乳磨牙下沉、恒牙胚缺失且在同一位置有额外牙的情况非常罕见。本文旨在报告一例11岁女孩下颌左侧第二乳磨牙下沉，同一区域有额外牙且第二前磨牙胚缺失的病例、其可能的病因，并对治疗方案进行简要讨论。
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