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首页> 外文期刊>European Journal of Dentistry >Comparison of quality of obturation and instrumentation time using hand files and two rotary file systems in primary molars: A single-blinded randomized controlled trial
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Comparison of quality of obturation and instrumentation time using hand files and two rotary file systems in primary molars: A single-blinded randomized controlled trial

机译：使用手工锉和两个旋转锉系统磨牙的密闭性和仪器时间的质量比较：单盲随机对照试验

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Objective: In permanent dentition, different rotary systems are used for canal cleaning and shaping. Rotary instrumentation in pediatric dentistry is an emerging concept. A very few studies have compared the efficiency of rotary instrumentation for canal preparation in primary teeth. Hence, this study was performed to compare the obturation quality and instrumentation time of two rotary files systems – Protaper, Mtwo with hand files in primary molars. Materials and Methods: Forty-five primary mandibular molars were randomly allotted to one of the three groups. Instrumentation was done using K-files in Group 1; Protaper in Group 2; and Mtwo in Group 3. Instrumentation time was recorded. The canal filling quality was assessed as underfill, optimal fill, and overfill. Statistical analysis was done using Chi-square, ANOVA, and post hoc Tukey test. Results: No significant difference was observed in the quality of obturation among three groups. Intergroup comparison of the instrumentation time showed a statistically significant difference between the three groups. Conclusion: The use of rotary instrumentation in primary teeth results in marked reduction in the instrumentation time and improves the quality of obturation.
机译：目的：在永久性牙列中，使用不同的旋转系统清洁和定型牙齿。儿科牙科旋转器械是一个新兴的概念。很少有研究比较了旋转器械对乳牙根管预备的效率。因此，本研究的目的是比较两种旋转锉系统– Protaper，Mtwo和初级磨牙中的手动锉的封闭质量和仪器安装时间。材料和方法：将四十五个下颌原发磨牙随机分配给三组之一。使用第1组中的K文件进行检测;组2中的Protaper;和Mtwo在第3组。记录仪器时间。运河的充填质量被评估为底部充填，最佳充填和过量充填。使用卡方检验，方差分析和事后图基检验进行统计分析。结果：三组间闭塞质量无明显差异。仪器时间的组间比较显示，三组之间在统计学上有显着差异。结论：在乳牙中使用旋转器械可以显着减少器械的使用时间，并提高闭孔质量。

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