维吾尔族上颌中切牙牙根直径及根管管径的增龄性变化研究  

Study on Aging Changes in Diameter of Root and Root Canal of Maxillary Central Incisors in Uygur Patients

作　　者：吴龙[1] 孟凡琦[1] 戴永刚[2] 赵今[1] 

机构地区：[1]新疆医科大学第一附属医院牙体牙髓科,新疆维吾尔自治区口腔医学研究所,新疆乌鲁木齐市830054 [2]新疆医科大学第一附属医院口腔放射科,新疆乌鲁木齐市830054

出　　处：《口腔医学研究》2017年第11期1185-1188,共4页Journal of Oral Science Research

基　　金：新疆维吾尔自治区重点研发计划项目(编号:2016B03049-1)

摘　　要：目的:应用锥形束CT(cone-beam computed tomography,CBCT)对维吾尔族上颌中切牙牙根直径及根管管径与年龄的关系进行研究。方法:收集360例维吾尔族患者右上颌中切牙的CBCT影像资料,年龄15~74岁,以10岁为间隔分为6组,测量釉牙骨质界距根尖3/4处的牙根直径及根管管径,对测量结果的性别差异及与年龄的相关性进行分析。结果:牙根直径:男性(6.14±0.348)mm,女性(5.89±0.396)mm;根管管径:男性(1.51±0.344)mm,女性(1.25±0.316)mm;根管管径与牙根直径的比值:男性(0.25±0.059),女性(0.21±0.057),性别间的差异均有统计学意义(P<0.05)。根管管径与牙根直径的比值和年龄具有负相关性(R=-0.659,P<0.05)。结论:维吾尔族上颌中切牙根管管径与年龄具有相关性,在性别间无明显差异。Objective：To study the correlation between root and root canal diameter of the maxillary central incisors and age in the Uygur patients by cone-beam computed tomography（CBCT）.Methods：CBCT images of 360 maxillary central incisors in Uygur patients were collected and divided into 6 groups at 10 year interval.Root and root canal diameters of maxillary central incisors at the 3/4 level from the cemenal-enamel junction to root apex were measured,and their correlation with gender and age were analyzed.Results：The mean root diameter（mm）in males and females were 6.14±0.348 and 5.89±0.396,respectively,the mean root canal diameter（mm）were 1.51±0.344 and 1.25±0.316,respectively,and the mean ratios between the root canal diameter and the root diameter for male and female were 0.25±0.059 and 0.21±0.057,respectively.There was significantly difference between genders（P0.05）.There was negative correlation between the ratio of root canal diameter to root diameter and age（R=-0.659,P0.05）.Conclusion：The root canal diameter of maxillary central incisors is correlated with age in Uygur patients,however,not correlated with age.

关 键 词：上颌中切牙 根管管径 增龄性变化 维吾尔族 锥形束CT 

分 类 号：R781.05[医药卫生—口腔医学]