重庆地区55名正常牙合少年儿童X线头影测量Mc Namara值分析

McNamara cephalometric analysis of the 55 Chongqing adolescents with normal occlusion

目的 :建立重庆地区少年儿童X线头影测量McNamara分析法正常值。方法 :选择重庆地区正常牙合少年儿童共计5 5名 ,拍摄头颅定位侧位片 ,作McNamara分析 ,并与成都地区、上海地区以及白种人McNamara分析法正常值进行比较。结果 :经t检验 ,重庆地区正常牙合少年儿童McNamara分析法测量值男女之间部分指标有显著性差异 ;重庆地区与成都地区、上海地区、McNamara正常值部分指标之间也有显著性差异。结论 :恒牙初期McNamara分析法头影测量值有种族和地区差异 ,各民族。

Objective:The purpose of this study was to obtain the normal value of McNamara analysis for Chongqing adolescents with normal occlusion of permanent dentition.Methods:Chongqing adolescents with normal occlusion were taken 55 lateral cephalograms.McNamara analysis was conducted and the obtained data were compared with that of Chengdu,Shanghai and McNamara,respectively.Results:There was significant difference in the normal values of McNamara analysis between male and female Chongqing adolescents by t test;there was significant difference between Chongqing and Chengdu,Chongqing and Shanghai,Chongqing and McNamara also.Conclusion:There is significant difference in values of normal occlusion of McNamara analysis in different regions and different races.