The tracings of condylar movement in right and left parasagittal planes during protrusion and retrusion were recorded by computer-aided axiography.

单后反者后退运动轨迹多不重,反斜度明显大于对。

Ramus height and condylar width reduced in the mandibular retrusion group, which was a result of condylar growth inhibition during adolescence.

下颌后缩组的突宽度、长度以及升支高度明显较小，说明突和升支发育受到抑制。