48例单纯型先天恒牙缺失的临床分析  

Clinical analysis of 48 cases with non-syndromic congenital missing teeth

作　　者：杨卫平[1] 宫耀[2] 

机构地区：[1]湖州市第一人民医院口腔科,313000 [2]上海交通大学医学院附属第九人民医院口腔正畸科

出　　处：《实用口腔医学杂志》2014年第3期384-386,共3页Journal of Practical Stomatology

摘　　要：目的:分析单纯型先天恒牙缺失患者的临床特点。方法:对48例单纯型先天恒牙缺失患者采集一般资料,根据Angle错分类法分类,分析比较其临床特征、治疗方法和疗效。结果:本组病例中女性31例,男性17例;平均每例患者缺牙2.54颗;最常见缺失的恒牙是下颌第二前磨牙,缺失牙位多呈对称分布;临床主要表现为牙列拥挤、深覆及深覆盖、牙列间隙等。根据Angle错分类法分类,Ⅰ、Ⅱ和Ⅲ类分别为18、20和10例。根据缺牙数目、位置和牙列形态,结合患者要求确定相应的正畸治疗或/和修复治疗方案,疗效满意:治疗后达Ⅰ类咬合关系41例,Ⅱ类4例,Ⅲ类3例。结论:对单纯型先天性恒牙缺失患者根据其缺牙特征和分类,及时采取合理正畸及修复治疗,可达到较理想的效果。Objective： To analyse the clinical manifestation of non-syndromic congenital missing teeth. Methods： 48 cases with non-syndromic congenital missing teeth were investigated, and their general health information was collected, clinical manifestations were analysed by Angle Classification. The results of therapeutic management were observed. Results ： Of the 48 patients, 31 were females and 17 were males. The average number of tooth missing was 2.54 and the permanent dentition of mandibular second bicuspid tooth missing was most likely occured in those patients. The missing teeth occurred symmetrically a crowding of teeth, deep overbite, deep coverage exsited in the majority cases. 18, 20 and 10 cases were with Angle class Ⅰ , Ⅱ and Ⅲ malocclusion respectively. According to the condition of teeth missing and characteristic of the remaining dentition, appropriate prosthodontic and/or orthodontic treatments were taken and satisfactory effects were achieved. Condusion： Based on the correct diagnosis and accurate classification of the patients, satisfactory results can be achieved by reasonable prosthodontic and/or orthodontic treatment.

关 键 词：单纯型 先天性缺失 恒牙 

分 类 号：R783.4[医药卫生—口腔医学]