低摩擦力自锁托槽。
Self-ligation esthetic brackets with low frictional resistance.
机构信息
Department of Orthodontics, New York University, College of Dentistry, New York, NY, USA.
出版信息
Angle Orthod. 2010 Jan;80(1):188-94. doi: 10.2319/110608-565.1.
OBJECTIVE
To test the frictional resistance forces (FRS) generated between several archwires and (1) interactive self-ligating (ISL) brackets and (2) conventionally ligated (CL) brackets.
MATERIALS AND METHODS
Frictional forces produced between three different archwire combinations and self-ligating (SL) brackets (ceramic and metal-slot or all-metal) and CL brackets (metal or ceramic) were evaluated in a dry environment. The three ISL brackets tested were In-Ovation-C, In-Ovation-R, and Damon 3. The three CL brackets were Mystique with Neo Clip, Clarity, and Ovation. Each bracket was tested with 0.020'' SS, 0.019'' x 0.025'' SS and 0.018'' x 0.018'' coated SS.
RESULTS
The ISL brackets generally exhibited the lowest frictional forces irrespective of the bracket material and the wire size, and CL brackets exhibited consistently higher frictional forces. Mystique with Neo Clip produced the lowest frictional resistance of all brackets. The In-Ovation-C brackets demonstrated significantly lower frictional resistance than the SL brackets In-Ovation-R and Damon 3 as well as the CL brackets Clarity and Ovation.
CONCLUSIONS
The ISL ceramic brackets produced the lowest frictional resistance of all the self-ligating brackets. The CL ceramic brackets produced the greatest friction.
目的
测试几种弓丝与（1）自锁式（ISL）托槽和（2）传统结扎（CL）托槽之间产生的摩擦力（FRS）。
材料和方法
在干燥环境下，评估了三种不同弓丝组合与自锁式（SL）托槽（陶瓷和金属槽或全金属）和 CL 托槽（金属或陶瓷）之间产生的摩擦力。测试的三种 ISL 托槽为 In-Ovation-C、In-Ovation-R 和 Damon 3。三种 CL 托槽为 Mystique with Neo Clip、Clarity 和 Ovation。每个托槽都用 0.020" SS、0.019" x 0.025" SS 和 0.018" x 0.018" 涂层 SS 进行测试。
结果
ISL 托槽通常表现出最低的摩擦力，无论托槽材料和弓丝尺寸如何，而 CL 托槽表现出更高的摩擦力。Mystique with Neo Clip 在所有托槽中产生的摩擦力最小。In-Ovation-C 托槽的摩擦力明显低于 SL 托槽 In-Ovation-R 和 Damon 3 以及 CL 托槽 Clarity 和 Ovation。
结论
ISL 陶瓷托槽产生的摩擦力在所有自锁托槽中最小。CL 陶瓷托槽产生的摩擦力最大。
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