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首页> 外文期刊>Odontology >Effects of etidronate, NaOCl, EDTA irrigation solutions and their combinations on cyclic fatigue resistance of nickel-titanium single-file rotary and reciprocating instruments at body temperature
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Effects of etidronate, NaOCl, EDTA irrigation solutions and their combinations on cyclic fatigue resistance of nickel-titanium single-file rotary and reciprocating instruments at body temperature

机译：异丙酮，NaoCl，EDTA灌溉解决方案的影响及其组合对体温镍钛单锉旋转和往复仪器循环疲劳电阻的影响

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摘要

The aim of the present study was to compare the effect of etidronic acid (HEBP), NaOCl, and EDTA solutions and their combinations on cyclic fatigue resistance of NiTi RPC Blue (RPC Blue), HyFlex EDM (HEDM), and WaveOne Gold (WOG) instruments having different metallurgic characteristics at the body temperature (37 degrees C). 100 WOG, 100 RPC Blue, and 100 HEDM NiTi files were randomly divided into 5 groups and immersed in the following solutions: group 1, distilled water; group 2, 6% NaOCl; group 3, 17% EDTA; group 4, 18% HEBP; group 5, 6% NaOCl and 18% HEBP. Then the instruments were rotated in an artificial canal until fracture occurred and the number of cycles to fracture was calculated. A univariate analysis of variance and post hoc Tukey tests were then performed for comparisons using SPSS 21.0 software with the significance level set at P .05). In the intragroup comparison, WOG, RPC Blue, and HEDM files showed significantly low cyclic fatigue resistance in group 5 compared to other groups (P .05). EDTA, NaOCl and HEBP solutions did not affect the cyclic fatigue resistance of the tested files when used without combination. However, the combination of NaOCl and HEBP solutions significantly reduced the cyclic fatigue resistance of the tested files.
机译：本研究的目的是比较异形酸（HEBP），NaOCL和EDTA溶液的影响及其组合NITI RPC蓝（RPC蓝），HYFLEX EDM（HEDM）和Waveone Gold的循环疲劳抗性）体温具有不同冶金特性的仪器（37℃）。 100次浪潮，100 rpc蓝色和100个HEDM NITI文件随机分为5组，并沉浸在以下解决方案中：第1组，蒸馏水;第2组，6％NaoCl;第3组，17％EDTA;第4组，18％的HEBP;第5组，6％NaoCl和18％Hebp。然后将仪器旋转在人造管中，直到发生骨折并且计算裂缝的循环次数。然后使用SPSS 21.0软件进行比较，对差异分析和后HOC Tukey测试进行比较，以P .05的显着水平设置。与其他组相比，在Intragroup比较，Wog，RPC蓝和HEDM文件中显示出显着低的循环疲劳性阻力（p .05）。 EDTA，NAOCL和HEBP解决方案在不组合时使用时不会影响测试文件的循环疲劳电阻。然而，NaoCL和HEBP溶液的组合显着降低了测试文件的循环疲劳性阻力。

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