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一名非综合征患者出现罕见的多种牙齿异常情况:病例报告。

An unusual occurrence of multiple dental anomalies in a single nonsyndromic patient: a case report.

作者信息

Nagaveni N B

机构信息

Department of Pedodotnics and Preventive Dentistry, Hitkarini Dental College and Hospital, Madhya Pradesh, Jabalpur 482005, India.

出版信息

Case Rep Dent. 2012;2012:426091. doi: 10.1155/2012/426091. Epub 2012 Jun 25.

Abstract

Dental anomalies are the formative defects caused by genetic disturbances or environmental factors during tooth morphogenesis. Simultaneous occurrence of various multiple anomalies has been reported previously, particularly in cases of chromosomal abnormalities that often manifest with multisystem involvement. Very few cases of multiple anomalies have been documented in patients with no known generalized abnormalities. The present paper shows an unusual occurrence of a combination of dental anomalies like mandibular canine transmigration, taurodontism in permanent mandibular molars, congenital agenesis of 14 numbers of permanent teeth excluding third molars, canine impaction, primary molars with pyramidal roots, midline diastema and generalized microdontia in an apparently normal 13-year-old Indian girl.

摘要

牙齿异常是在牙齿形态发生过程中由遗传干扰或环境因素引起的发育缺陷。先前已有多种异常同时出现的报道,特别是在染色体异常的病例中,这些异常常伴有多系统受累。在没有已知全身性异常的患者中,记录在案的多种异常病例非常少。本文展示了一名看似正常的13岁印度女孩出现了异常组合的牙齿异常情况,如下颌尖牙异位、恒牙下颌磨牙牛牙症、除第三磨牙外14颗恒牙先天性缺失、尖牙阻生、具有锥形根的乳磨牙、中线间隙和广泛性牙过小。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0971/3389659/ec469edd1ac6/CRIM.DENTISTRY2012-426091.001.jpg

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