The lower anterior teeth moved lingually and protracted. Occlusal plane is flattened.
下前牙在舌向移动与倾斜同时略有升高,平面变平。
Teeth in the short-faced group inclined more lingually than in the average and long-faced groups.
短面型组的牙齿比正常组与长面型组更向舌侧倾斜。
Objective: To observe the difference of two methods by using Australian wires with vertival loops and using Niti wires to treat upper anterior teeth with severely lingually tipping.