多生牙临床特点的回顾性分析  

Retrospective analysis of the clinical characteristics of supernumerary teeth

作　　者：马红[1] 

机构地区：[1]江苏省无锡市第三人民医院口腔科,江苏无锡214041

出　　处：《安徽医药》2012年第5期620-621,共2页Anhui Medical and Pharmaceutical Journal

摘　　要：目的总结多生牙发生的临床特点。方法通过临床检查和放射线检查发现多生牙。结果在接受检查的3 425名患者中,共发现33位多生牙患者(男23位,女10位),一共37颗多生牙。29位(87.88%)病人有1颗多生牙,4位(12.12%)有2颗。31颗(83.78%)多生牙发生在前上颌骨,其中17颗(54.84%)位于中线处。剩下的6颗(16.22%)多生牙位于前磨牙、磨牙的低位区。24颗(64.86%)多生牙为锥形,其余的为切牙状、双尖牙状和不规则状。结论多生牙好发于男性,男∶女为2.3∶1。多生牙主要发生在前上颌骨,其次位于前磨牙、磨牙的低位区。Objective To review the clinical features of supernumerary teeth.Methods The study population consisted of 3425 people who visited The Third People＇s Hospital of Wuxi.Supernumeraries were detected by clinical examination and radiographs.Results Thirty-three patients were affected,in whom male were 23 and female were 10.Twenty-nine patients（87.88%） had one supernumerary tooth,4 patients（12.12%） double teeth.83.78% of the supernumerary teeth occurred in the premaxilla,of which 54.84% were located in the midline.The other 16.22% of the supernumeraries were located in the premolar and molar regions.64.86% of the supernumerary teeth were conic shaped teeth,the others were incisors and bicuspid shaped.Conclusion Males were affected more than females with a sex ratio of 2.3∶ 1.Supernumerary teeth occurred in the premaxilla mainly.

关 键 词：多生牙 临床特点 

分 类 号：R782.2[医药卫生—口腔医学]