结论：使用直丝弓矫治技术时，应重视托槽表面粗糙、磨损对摩擦力的影响，注意支抗控制。

Conclusion: the attention would be played to the influence of the roughness and abrasion of the bracket slot area on friction and anchorage control in using sliding mechanics.

youdao

结论：使用直丝弓矫治技术时，应重视托槽表面粗糙、磨损对摩擦力的影响，注意支抗控制。

Conclusion: the attention would be played to the influence of the roughness and abrasion of the bracket slot area on friction and anchorage control in using sliding mechanics.

youdao