文章摘要
贺祖武,易凌.多发性多生牙28例临床分析[J].安徽医药,2018,22(10):1940-1942.
多发性多生牙28例临床分析
Clinical analysis of 28 cases of multiple supernumerary teeth
投稿时间:2016-12-14  
DOI:
中文关键词: 牙,额外  拔牙  摄影术,牙科  放射摄影术,全景
英文关键词: Tooth,supernumerary  Tooth extraction  Photography,dental  Radiography,panoramic
基金项目:
作者单位
贺祖武 长沙市中心医院口腔科,湖南 长沙 410004 
易凌 长沙医学院口腔医学院,湖南 长沙 410219 
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中文摘要:
      目的 探讨多发性多生牙的临床特点以及诊治方法。 方法 选取2013年6月30日至2016年6月30日长沙市中心医院所有拍摄了全景片且有2颗以上多生牙的患者作为研究对象,分析他们在性别、年龄、多生牙数目、位置和形态,是否造成邻牙移位、牙根吸收,是否形成囊肿以及是否萌出等方面的临床特点,并提供合适的诊治方法。 结果 28例多发性多生牙患者共发现63颗多生牙,其中萌出12颗,未萌出51颗,两者差异有统计学意义(χ2 =48.29,P<0.01);锥形41颗与结节形6颗(χ2 =41.57,P<0.01),锥形与补充形16颗(χ2 =20.02,P<0.01),结节形与补充形(χ2 =5.51,P<0.05),两者差异有统计学意义;上中切牙间30颗与上中切牙与尖牙间16颗(χ2 =6.71,P<0.01),两者差异有统计学意义,其它区少见;10例患者存在邻牙移位或者迟萌,4例有邻牙牙根吸收,2例发生囊变。多生牙造成邻牙移位或者迟萌与囊变比较,两者差异有统计学意义(χ2 =6.79,P<0.01)。 结论 已萌出的多生牙以及未萌出已经或者可能造成邻牙损害的多生牙建议拔除,埋伏较深且无明显危害的多生牙建议观察。
英文摘要:
      Objective To explore the clinical characteristics,diagnosis and treatment of the multiple supernumerary teeth. Methods All patients,who had two or more supernumerary teeth and took panoramagram treated in Changsha Central hospital between June 2013 to June 2016,were enrolled in the study.Suitable treatment was provided through the analysis of the patients′ gender,age,the number,position and shape of the supernumerary teeth,and the clinical symptoms including whether there was displacement of adjacent tooth,root resorption,dental cyst or eruption. Results There were 63 supernumerary teeth found in 28 patients with multiple supernumerary teeth,including 12 erupted supernumerary teeth and 51 unerupted supernumerary teeth,there was significant difference between them (χ2 =48.29,P<0.01).There were 41 cone-shaped supernumerary teeth and 6 nodiform supernumerary teeth (χ2 =41.57,P<0.01),16 cone-shaped and supplementary-shaped supernumerary teeth (χ2 =20.02,P<0.01),6 nodiform supernumerary teeth and 16 supplementary-shaped supernumerary teeth and there was significant difference between them(χ2 =5.51,P<0.05).Thirty supernumerary teeth were between upper central incisors and 16 supernumerary teeth between upper central incisor and canine teeth,and there was significant difference between them (χ2 =6.71,P<0.01),but supernumerary teeth were rarely found in other areas.There were 10 patients with displacement of adjacent teeth or delayed eruption of tooth,4 patients with root resorption of adjacent teeth and 2 patients with cyst degeneration.By comparison of displacement of adjacent teeth or delayed eruption of toothwith cyst degeneration resulting from supernumerary teeth,there was significant difference between them.(χ2 =6.79,P<0.01). Conclusions We suggested to pull out the supernumerary teeth which were erupted or which were not erupted but damaged or was likely to damage the adjacent tooth.On the contrary,we could adopt periodical observation if the supernumerary teeth were deep embedded and had no adverse effects.
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