The experiment also show the removable heavy labial wire anchorage system is better than Nance palatal arch and lip bumper .

实验研究也显示在阻止磨牙近中移动方面，该系统优于 腭托及 唇挡。

Case patients of teeth slight crowding are treated by using titanium nickel wire to arch lips and cheeks for aligning the teeth . The results show that the minimum space is 1.0 mm the maximum

用钛镍 丝唇 弓唇颊向开展排齐轻度拥挤患者26例，结果：开拓间隙最少为1.0mm，最多为4.5mm，平均2.5mm，疗效良好，临床操作明显简单，值得推广应用

The Design of Stand with Cement Steel Wire Net thin Shell Arch Unidirection Suspension Structure

水泥 钢丝网薄壳 拱、单向悬挑结构看台设计

One-Time Tensioning Formation Technology of Single Steel Strand Wire of Anchor Cable of Steel Cantilever Installed Truss Arch Bridge

钢桁架 拱桥悬臂安装扣索单股一次张拉施工技术

The combination of modified nance arch with straight wire arch technique is valid method .

改良Nance 弓联合直 丝矫治技术是一种有效的方法。

Methods The structure of deltoid arch wire fixed appliance is consist of deltoid arch wire and bracket with deltoid colpus . It is used to control the tooth 's moving .

方法三棱滑切固定矫治器的结构，以三棱形 弓 丝和具有三角槽沟的托槽为主体，由它控制矫治牙在各个方向的移动而发挥矫治作用。

Both round wire and rectangular wire could intrude incisors extrude premolars level the curve of Spee and decrease the arch length .

方丝和圆丝摇椅弓均有使切牙压低双尖牙升高，打开咬合整平 Spee曲线的趋势。