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. 2014 Dec;32(6):570–574. [Article in Chinese] doi: 10.7518/hxkq.2014.06.009

表 2. 摩擦前后弓丝表面粗糙度.

Tab 2 Mean values for roughness of archwires before and after mechanical traction

弓丝/mm 摩擦前 摩擦后
与传统四翼托槽组合 与Lock-loose托槽组合 与自锁托槽组合
0.406 4 18.1±1.5 19.1±1.7 20.1±2.1 19.3±1.1
0.457 2 18.6±1.4 19.3±1.3 21.2±0.8 20.7±1.6
0.457 2×0.634 9 22.9±2.1 22.3±3.4 24.1±2.3 23.6±1.5
0.482 6×0.634 9 21.8±0.9 20.1±1.5 22.1±1.8 21.1±1.7

nm