均采用直丝弓矫治器矫治，应用螺旋推簧扩展间隙及上颌前方牵引。
They were all treated with straight wire appliance and helical spring to expand clearance.
本研究旨在探讨在数字化牙颌模型基础上个体化直丝弓托槽及辅助定位托盘的计算机辅助设计与制造的可行性。
This paper discusses the feasibility of individualized straight-wire brackets and its positioning trays design and manufacturing based on digital dental model with computer-aided technology.
食物残渣不易残留在弓丝上，有利于口腔卫生的维护及口腔健康的保持；
Food debris is not easy to remain on the arch wire, which is favorable to oral hygiene maintenance and oral health holding.
按光固材料的使用步骤，将弓丝粘到牙列片段的唇侧及舌侧。
The wire was bonded with directly bonding technique to the labial or lingual surfaces of teeth according to the application steps of light-cure material.
按光固材料的使用步骤，将弓丝粘到牙列片段的唇侧及舌侧。
The wire was bonded with directly bonding technique to the labial or lingual surfaces of teeth according to the application steps of light-cure material.
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