To Compare and Evaluate Rotary and Manual Techniques in Biomechanical Preparation of Primary Molars to Know Their Effects in Terms of Cleaning and Shaping Efficacy.
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Abstract
Background: The introduction of the rotary file system for children was a revolution in the field of pediatric endodontics. These files are cost-effective and help in consistent obturations with shorter instrumentation time.
Aim: The present randomized controlled trial (RCT) was planned for a comparative evaluation of rotary and manual techniques in biomechanical preparation of primary molars to determine their effect in terms of cleaning and shaping efficacy, working time, quality of obturation, and postoperative pain.
Materials and methods: A randomized clinical trial study was conducted in 75 children aged 5-9 years requiring pulpectomy. Each tooth was randomly assigned to one of the three treatment groups: Kedo-S files, rotary K-Flex files, and hand instruments group.
Results: It was observed that Kedo-S files and rotary K-Flex files were more effective in cleaning and shaping of root canals compared to hand H/K files. The postbacterial count for hand files was higher compared to rotary files. Shorter working time was seen with rotary files (3.88-5.04 minutes) compared to hand files (15.68 minutes). Rotary files showed a reduced number of voids, with Kedo-S files in 92% of cases and rotary K-Flex files in 80% of cases. Apical seal and extent of fill were maximum with rotary files, having a grade C rating in 92% of cases. Kedo-S files and rotary K-Flex files showed a significant reduction in postoperative pain compared to hand files.
Conclusion: The present study showed a significant reduction in bacterial count, working time, quality of obturation, and postoperative pain with rotary files.
How to cite this article: Moudgalya MS, Tyagi P, Tiwari S, et al. To Compare and Evaluate Rotary and Manual Techniques in Biomechanical Preparation of Primary Molars to Know Their Effects in Terms of Cleaning and Shaping Efficacy. Int J Clin Pediatr Dent 2024;17(8):864-870.
背景：儿童旋转锉系统的引入是儿童牙髓病学领域的一场革命。目的：本随机对照试验（RCT）计划对旋转锉和手动锉在初级磨牙生物力学预备中的应用进行比较评估，以确定它们在清洁和塑形效果、工作时间、固位质量和术后疼痛等方面的效果：对 75 名需要进行牙槽切除术的 5-9 岁儿童进行了随机临床试验研究。每颗牙齿被随机分配到三个治疗组中的一组：结果：Kedo-S锉、旋转K-Flex锉和手工器械组：结果：与手工 H/K 锉相比，Kedo-S 锉和旋转 K-Flex 锉对根管的清洁和塑形更有效。手工锉的细菌计数高于旋转锉。与手工锉（15.68 分钟）相比，旋转锉的工作时间更短（3.88-5.04 分钟）。旋转锉减少了空洞的数量，其中92%的病例使用Kedo-S锉，80%的病例使用K-Flex旋转锉。旋转锉的根尖密封性和填充范围最大，92%的病例达到了C级。与手动锉相比，Kedo-S锉和旋转K-Flex锉能显著减少术后疼痛：结论：本研究表明，使用旋转锉可明显减少细菌数量、工作时间、闭孔质量和术后疼痛：Moudgalya MS, Tyagi P, Tiwari S, et al. To Compare and Evaluate Rotary and Manual Techniques in Biomechanical Preparation of Primary Molars to Know Their Effects in terms of Cleaning and Shaping Efficacy.Int J Clin Pediatr Dent 2024;17(8):864-870.
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