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Topographic analysis of hyflex edm glide path, proglider, trunatomy glider, and waveone gold glider after micro-glide path preparation in simulated root canals with single curvature
(2023) Özdemir, Olcay; Koçak, Sibel; Hazar, Ecehan; Saglam, Baran Can; Koçak, Mustafa Murat
Purpose: This study aimed to compare HyFlex electrical discharge machining Glide Path, ProGlider, TruNatomy Glider, and WaveOne Gold Glider in terms of topographic changes after instrumentation. Methods: Simulated canals with 40° curvature were used to analyze the surface behavior of four brands of micro-glide path files (n = 36 in total, n = 3/subgroup). The files were used in single or three simu- lated canals for micro- glide path preparation. Surface topographies were evaluated using atomic force microscopy. The data were analyzed with Shapiro–Wilk and two-way robust analysis of variance tests. Results: RMS median values did not differ according to the file groups (p = 0.448) and use (p = 0.055). There was a significant difference between the intact WaveOne Gold Glider group and the use of 3 times (p = 0.002). Conclusion: The tested files exhibited acceptable surface behavior considering single use but in multi- rooted teeth. However, it should be considered that more surface distortion occurs on the surface of heat-treated files when used for multiple roots, especially curved ones.