The results showed that the stress was gradually increasing along with the increasing Angle and strength of traction.
结果显示随着牵引角度加大和牵引重量的增加，腰椎间盘各部拉应力逐渐加大。
When the traction Angle was constant, the displacement and stress of the cervical column as well as the deformation of intervertebral space were all increased with the enhancing of traction force.
当牵引角度不变时，随牵引力的增大，颈椎的位移及各点的应力均增大，椎间隙的形变亦更明显。
Methods with fragments of the back teeth bow orthodontic traction treatment between technical joint jaws in 31 cases of patients with mandibular Angle fracture and watch curative effect.
方法在后牙用片段弓正畸技术联合颌间牵引治疗31例下颌角骨折的患者并观察疗效。
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