Frictional force released during sliding mechanics in nonconventional elastomerics and self-ligation: An in vitro comparative study.

Indian journal of dentistry Pub Date : 2016-04-01 DOI:10.4103/0975-962X.184652

Davender Kumar, Vinay Dua, Rajat Mangla, Ravinder Solanki, Monika Solanki, Rekha Sharma

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引用次数: 4

Abstract

Aim and objectives: The aim of this study is to evaluate the frictional forces generated by five different orthodontic brackets when used in combination with stainless steel (SS), titanium molybdenum alloy (TMA), and nickel-titanium (NiTi) archwires in dry conditions at physiological temperature.

Materials and methods: Five different types of maxillary upper right side self-ligating brackets (SLBs) (Damon 3MX, Smart Clip and Carriere LX) and conventional SS brackets (Mini 2000, Optimum Series and Victory Series) with a slot size 0.022 inch were coupled with 0.016" NiTi and 0.019 × 0.025" SS/titanium molybdenum alloy (TMA) archwires. Tests were carried out for each group of the bracket-wire combination at physiological temperature and in the dry state. Frictional forces were measured by Instron universal testing machine.

Results: SLB showed lower fictional values in comparison with elastic ligatures. Frictional force increased proportionally to the wire size; TMA and NiTi archwires presented higher frictional resistance than SS archwires.

Conclusion: SS brackets tied with conventional ligatures produced high and low friction when ligated with SLBs with passive clip.

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在滑动力学中释放的摩擦力在非常规弹性体和自结扎:一项体外比较研究。

目的和目的:本研究的目的是评估五种不同的正畸托槽与不锈钢(SS)、钛钼合金(TMA)和镍钛(NiTi)弓丝在干燥条件下生理温度下产生的摩擦力。材料和方法:5种不同类型的上颌右侧自结扎托槽(Damon 3MX, Smart Clip和Carriere LX)和传统SS托槽(Mini 2000, Optimum Series和Victory Series)，槽尺寸为0.022英寸，与0.016“NiTi和0.019 × 0.025”SS/钛钼合金(TMA)弓丝结合。在生理温度和干燥状态下对每组支架-钢丝组合进行试验。摩擦力采用英斯特朗万能试验机测量。结果:与弹性结扎相比，SLB具有较低的虚拟值。摩擦力随线材尺寸的增大而增大;TMA和NiTi弧线的摩擦阻力均高于SS弧线。结论:传统结扎方式系结的SS托槽与被动夹片slb结扎时产生了高摩擦和低摩擦。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Indian journal of dentistry

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