An in vitro evaluation of canal transportation and centering ability of ProTaper Universal, Hyflex EDM, and WaveOne gold using microcomputed tomography

Q3 Dentistry Endodontology Pub Date : 2022-10-01 DOI:10.4103/endo.endo_108_22

Ashwin Ravichandran, V. Baskaran, S. Gopal, Venkatesan Motilal, Meenakshisundram Rajasekaran, Anilkumar Ramachandran

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Abstract

Aim: The study was to determine and compare the values of canal transportation and centering ability of ProTaper Universal (PTU), Hyflex EDM (HEDM), and WaveOne GOLD (WOG) using microcomputed tomography (Micro-CT). Methods: Sixty mandibular molar mesiobuccal canals were randomly allocated into three groups, each with 20 samples: PTU (group one), HEDM (group two), and WOG (group three). Micro-CT was used to scan samples before and after instrumentation. Three-dimensional scans of root cross-sections at 3 mm, 6 mm, and 9 mm from the apex were obtained to measure canal transportation and centering ability. For statistical analysis, SPSS software was utilized. P = 0.05 was used as the significance level. Results: When compared all three systems, PTU files had the highest transportation and were less centered. HEDM and WOG showed no significant difference (P > 0.05). Conclusion: Curved roots canals were shaped without any significant canal transportation by Hyflex EDM and WOG when compared with PTU files.

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使用微计算机断层扫描对ProTaper Universal、Hyflex EDM和WaveOne金的根管运输和定心能力进行体外评估

目的:利用微计算机断层扫描(Micro-CT)测定并比较ProTaper Universal (PTU)、Hyflex EDM (HEDM)和WaveOne GOLD (WOG)的根管移动和对中能力。方法:将60根下颌磨牙中颊根管随机分为PTU组(第一组)、HEDM组(第二组)和WOG组(第三组)，每组20个样本。Micro-CT在仪器检测前后对样品进行扫描。在离根尖3 mm、6 mm和9 mm处对根横截面进行三维扫描，测量根管运输和定心能力。采用SPSS软件进行统计分析。以P = 0.05为显著性水平。结果:与三种系统相比，PTU文件的移动性最高，居中程度较低。HEDM与WOG差异无统计学意义(P < 0.05)。结论:与PTU锉相比，Hyflex EDM和WOG锉的弯曲根管成形无明显的根管移动。

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