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Influence of the Geometrical Cross-Section Design on the Dynamic Cyclic Fatigue Resistance of NiTi Endodontic Rotary Files¿An In Vitro Study

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Faus Llácer, Vicente & Hamoud Kharrat, Nirmine & Marhuenda Ramos, María Teresa & Faus Matoses, Ignacio & Zubizarreta Macho, Álvaro & Ruiz Sánchez, Celia & Faus Matoses, Vicente .Influence of the Geometrical Cross-Section Design on the Dynamic Cyclic Fatigue Resistance of NiTi Endodontic Rotary Files¿An In Vitro Study.

ISO 690

Faus Llácer, Vicente & Hamoud Kharrat, Nirmine & Marhuenda Ramos, María Teresa & Faus Matoses, Ignacio & Zubizarreta Macho, Álvaro & Ruiz Sánchez, Celia & Faus Matoses, Vicente. Influence of the Geometrical Cross-Section Design on the Dynamic Cyclic Fatigue Resistance of NiTi Endodontic Rotary Files¿An In Vitro Study.

https://hdl.handle.net/20.500.12080/25980
dc.contributor.author Faus Llácer, Vicente
dc.contributor.author Hamoud Kharrat, Nirmine
dc.contributor.author Marhuenda Ramos, María Teresa
dc.contributor.author Faus Matoses, Ignacio
dc.contributor.author Zubizarreta Macho, Álvaro
dc.contributor.author Ruiz Sánchez, Celia
dc.contributor.author Faus Matoses, Vicente
dc.date.accessioned 2021-10-26T13:25:58Z
dc.date.available 2021-10-26T13:25:58Z
dc.date.created 2021-10-14
dc.identifier.uri https://hdl.handle.net/20.500.12080/25980
dc.description.abstract The aim of this study was to analyze and compare the influence of the geometrical crosssection design on the dynamic cyclic fatigue resistance of NiTi endodontic rotary files. Materials and Methods: Forty sterile endodontic rotary files were selected and distributed into the following study groups: A: 25.06 double S-shaped cross-section NiTi alloy endodontic rotary files (Mtwo) (n = 10); B: 20.04 rectangular cross-section NiTi alloy endodontic rotary files (T Pro E1) (n = 10); C: 25.04 convex triangular cross-section NiTi alloy endodontic rotary files (T Pro E2) (n = 10); and D: 25.06 triangular cross-section NiTi alloy endodontic rotary files (T Pro E4) (n = 10). A cyclic fatigue device was used to conduct the static cyclic fatigue tests with stainless steel artificial root canal systems with 200 µm and 250 µm apical diameter, 60¿ curvature angle, 3 mm radius of curvature, 20 mm length, and 4% and 8% taper. The results were analyzed using the ANOVA test and Weibull statistical analysis. Results: All the pairwise comparisons presented statistically significant differences between the time to failure and number of cycles to failure for the cross-section design study groups (p < 0.001). Conclusions: the double S-shaped cross-section of Mtwo NiTi endodontic files shows higher cyclic fatigue resistance than the rectangular cross-section of T Pro E1 NiTi endodontic files, the convex triangular cross-section of T Pro E2 NiTi endodontic files, and the triangular cross-section of T Pro E4 NiTi endodontic files. es_ES
dc.format application/pdf es_ES
dc.language eng es_ES
dc.rights CC-BY es_ES
dc.rights.uri http://creativecommons.org/licenses/by/4.0/deed.es es_ES
dc.subject endodontics; cyclic fatigue; cross-section design; NiTi; continuous rotation; energy-dispersive X-ray es_ES
dc.title Influence of the Geometrical Cross-Section Design on the Dynamic Cyclic Fatigue Resistance of NiTi Endodontic Rotary Files¿An In Vitro Study es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.rights.accessrights info:eu-repo/semantics/openAccess es_ES
dc.identifier.location N/A es_ES


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