以下为句子列表：
英文: Conclusion The character of this type of fixed appliance is that it is consist of deltoid arch wire and bracket with deltoid colpus.
中文: 论三棱形弓丝和与之匹配的三角槽沟托槽是这类矫治器的主要结构特征;
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英文: 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.
中文: 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。
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