额外牙（正中牙）的诊断与处理：文献综述
Diagnosis and management of supernumerary (mesiodens): a review of the literature.
作者信息
Meighani G, Pakdaman A
机构信息
Assistant Professor, Department of Pediatric Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
出版信息
J Dent (Tehran). 2010 Winter;7(1):41-9. Epub 2010 Mar 31.
Abstract
Supernumerary tooth is one of the developmental problems in children. Mesiodens is a supernumerary tooth present in the midline between the two central incisors. It usually results in oral problems such as malocclusion, food impaction, poor aesthetics, and cyst formation. The prevalence of mesiodens varies between 0.09% and 2.05% in different studies. This paper reviews current literature on etiology, prevalence, diagnosis, and management of this problem. Accordingly, early diagnosis and treatment is suggested to prevent orthodontic and pathologic complications.
摘要
多生牙是儿童发育问题之一。正中牙是位于两颗中切牙之间中线处的多生牙。它通常会导致诸如错牙合、食物嵌塞、美观不佳和囊肿形成等口腔问题。不同研究中正中牙的患病率在0.09%至2.05%之间。本文综述了关于该问题的病因、患病率、诊断和治疗的当前文献。因此，建议早期诊断和治疗以预防正畸和病理并发症。
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本文引用的文献
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Prevalence of hypodontia and hyperdontia in paedodontic and orthodontic patients in Budapest.布达佩斯儿童牙科和正畸患者中缺牙症和多生牙症的患病率。
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