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目的:通过临床实践研究Mtwo机用镍钛器械用于磨牙根管预备对根管治疗效果的影响,进而为临床提供更有效的指导。方法:选取准备进行根管治疗的磨牙50颗,随机分为两个组,运用Mtwo根管预备器械进行实验组A组磨牙的根管预备,运用传统的不锈钢K锉进行对照组B组磨牙的根管预备。比较A组和B组根管预备时所用时间的多少、根管预备后的疼痛反应及根管充填质量的差异。结果:与对照组B组比实验组A组根管预备速度快、根管预备后患牙疼痛反应轻、根管充填密合度较高。结论:Mtwo根管预备系统用于磨牙根管治疗,在根管预备速度、根管预备后患牙疼痛情况及根管充填密合度三方面均具有优越性,更适合在临床实践中推广。
OBJECTIVE: To study the effect of Mtwo machine nickel-titanium instrument on root canal treatment effect through clinical practice and to provide more effective guidance for clinical practice. Methods: 50 teeth were selected for root canal treatment and randomly divided into two groups. Mtwo root canal preparation equipment was used to prepare group A root canal of experimental group. Traditional stainless steel K-file was used to compare group B molar teeth Root canal preparation. The time spent on root canal preparation in group A and group B was compared. The pain response after root canal preparation and the quality of root canal filling were compared. Results: Compared with the control group, the root canal preparation speed in Group A was faster than that in Group A, the pain response was lighter and the root canal filling density was higher after root canal preparation. Conclusion: The Mtwo root canal preparation system is superior to the root canal preparation in root canal therapy. It has advantages in three aspects: root canal preparation speed, tooth root canal preparation and root canal filling and adhesion, and is more suitable for promotion in clinical practice.