Objective: to investigate the shear bond strength of three adhesive systems bonded with ceramic brackets to the porcelain surfaces.

目的：研究三种不同釉质粘接剂对陶瓷托槽与瓷修复体粘接剪切强度的影响。

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Compared to normal stainless steel orthodontic brackets, the nano-TiO_2 ceramic coated orthodontic brackets exhibit good surficial characters: low surface roughness and low bracket-wire friction.

纳米陶瓷涂层直丝弓托槽与国产普通金属直丝弓托槽相比，具有良好的表面光洁度，且托槽-弓丝摩擦力明显减小。

youdao

Compared to normal stainless steel orthodontic brackets, the nano-TiO_2 ceramic coated orthodontic brackets exhibit good surficial characters: low surface roughness and low bracket-wire friction.

纳米陶瓷涂层直丝弓托槽与国产普通金属直丝弓托槽相比，具有良好的表面光洁度，且托槽-弓丝摩擦力明显减小。

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