120248 20230914083746.0 doi 10.3390/ijerph19074414 sideral 131218 ART-2022-131218 eng Faus-Matoses, Vicente Comparative Study of the SEM Evaluation, EDX Assessment, Morphometric Analysis, and Cyclic Fatigue Resistance of Three Novel Brands of NiTi Alloy Endodontic Files 2022 Access copy available to the general public Unrestricted In this study, we compare and analyze the scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), morphometry and cyclic fatigue resistance of Endogal, PathMax, and Smarttrack novel brands of nickel–titanium (NiTi) alloy endodontic files. Material and Methods: Thirty sterile NiTi endodontic rotary files were randomly selected and assigned to one of the following study groups: A: 25.08 F2 Endogal (EDG) (n = 10); B: 25.08 F2 Path Max Pro (PMP) (n = 10); and C: 25.06 Smarttrack (ST) (n = 10). Dynamic cyclic fatigue tests were conducted using a cyclic fatigue device in stainless steel artificial root canal systems with an apical diameter of 250 µm, curvature angle of 60°, radius of curvature of 3 mm, and taper of 6%. Additionally, we analyzed the NiTi endodontic rotary files using EDX, SEM, and morphometry after micro-CT scanning. The results were analyzed using Weibull statistical analysis and ANOVA testing. Results: SEM, EDX, and morphometric analyses showed differences between the three novel brands of NiTi endodontic rotary files. Moreover, statistically significant differences were observed between the number of cycles to failure and time to failure of the three novel brands of NiTi endodontic rotary files (p < 0.001). Conclusions: Smarttrack NiTi alloy endodontic reciprocating files display greater resistance to cyclic fatigue than Endogal and Path Max Pro NiTi alloy endodontic rotary files, due to the reciprocating movement and metallurgical composition. info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 0.828 2022 Health, Toxicology and Mutagenesis 2022 Q2 Public Health, Environmental and Occupational Health 2022 Q2 Pollution 2022 Q2 5.4 2022 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pérez García, Raúl Faus-Llácer, Vicente Faus-Matoses, Ignacio Alonso Ezpeleta, Óscar Universidad de Zaragoza (orcid)0000-0003-3868-6784 Albaladejo Martínez, Alberto Zubizarreta-Macho, Álvaro 1013 275 Universidad de Zaragoza Dpto. Cirugía Área Estomatología 19, 7 (2022), 4414 [13 pp.] Int. j. environ. res. public health International journal of environmental research and public health 1661-7827 3225343 http://zaguan.unizar.es/record/120248/files/texto_completo.pdf Versión publicada 2778686 http://zaguan.unizar.es/record/120248/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:120248 articulos driver 2023-09-13-15:06:38 ARTICLE