Results: Two groups of standards of Downs analysis were established. Facial angle, MPA, cant of occlusion plane and Y axis had significant differences ( P<0.00) between the two different porion groups.
Results: Two groups of standards of Downs analysis were established. Facial angle, MPA, cant of occlusion plane and Y axis had significant differences ( P<0.00) between the two different porion groups.
果 :得出两组使用不同耳点的东北地区正常合成年人的Downs分析法正常值 ,两组比较发现 ,其中与眶耳平面有关的面角、下颌平面角、合平面角、Y轴角间均有极显著差异 (P <0 .0 0 )。