The effect of irrigation solutions and sterilization process on the surface properties of ProTaper Next and TruNatomy rotary files: An atomic force microscopy study

Aim: This study sought to evaluate the effects of different irrigation solutions and sterilization processes on surface properties ProTaper Next (PTN; Dentsply-Maillefer, Ballaigues, Switzerland) TruNatomy (TN; Dentsply Sirona, nickel-titanium rotary files. Methodology: 30 files were used. Both types divided into five groups. The in three groups dipped 5.25% NaOCI (CanalPro, Coltene/Whaledent, Altstätten, Switzerland), BioAKT (New Tech Solutions s.r.l., Brescia, Italy), 18% etidronic acid (Dual Rinse HEDP, Medcem, Weinfelden, respectively, for 5 minutes, while fourth group exposed autoclave cycles. fifth (control) did not receive any treatment. Scans performed from points using an atomic force microscope (AFM). assumption conformity quantitative variables a normal distribution was evaluated Kolmogorov-Smirnov test. A one-way analysis variance used compare measures between more than two independent groups, post-hoc least significant difference test pairwise comparisons (p˂0.05). Results: AFM images PTN TN all revealed irregularities. root mean square (RMS) depth values NaOCI, BioAKT, Etidronic statistically higher those control (p<0.05). Moreover, RMS that had been subjected cycles when compared with among found be compatible. Conclusion: All applications increased roughness increase ​​the most group. How cite this article: Öztekin F, Elmalı E. effect process files: An microscopy study. Int Dent Res 2022;12(2):39-46. https://doi.org/10.5577/intdentres.2022.vol12.no2.1 Linguistic Revision: English manuscript has checked by at professional editors, both native speakers English.