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dc.contributor.authorOlivieri Fernández, Juan Gonzalo
dc.contributor.authorGarcía-Font, Marc
dc.contributor.authorGonzalez-Sanchez, Jose-Antonio
dc.contributor.authorRoig Cayon, Miguel
dc.contributor.authorDurán-Sindreu Terol, Fernando Salvador
dc.date.accessioned2021-06-04T14:26:59Z
dc.date.available2021-06-04T14:26:59Z
dc.date.issued2016
dc.identifier.citationOlivieri, Juan-Gonzalo García-Font, Marc Gonzalez-Sanchez, Jose-Antonio [et al.]. Danger zone analysis using cone beam computed tomography after apical enlargement with K3 and K3XF in a manikin model. Journal of Clinical and Experimental Dentistry, 2016, 8(4), e-361-367. Disponible en: <https://pubmed.ncbi.nlm.nih.gov/27703602/>. Fecha de acceso: 4 jun. 2021. DOI: 10.4317/jced.52523ca
dc.identifier.issn1989-5488ca
dc.identifier.urihttp://hdl.handle.net/20.500.12328/2595
dc.description.abstractBackground: The objective of the study was to evaluate and compare how apical enlargement with K3 and K3XF nickel-titanium (NiTi) rotary instruments reduces the root thickness in the danger zone and affects canal transportation and centering ability in mandibular molar mesial canals in a manikin extracted tooth model. Material and Methods: Seventy-two mesial root canals of first mandibular molars were instrumented. Initial and post-instrumentation Cone Beam Computed Tomography scans were performed after root canal preparation up to size 25, 30, 35 and 40 files. Canal transportation, canal centering and remaining root dentin thickness toward the danger zone were calculated in sections 1, 2 and 3 mm under the furcation level. Data were analyzed using nonparametric Kruskal-Wallis analysis of variance at a significance level of P < 0.05. Results: K3 instruments removed more dentin toward the danger zone compared with K3XF instruments (P< .05) and significant differences in dentin thickness were found when canal enlargement was performed to a #35-40 with both systems (P< 0.05). No significant differences in canal transportation and centering ability were found between systems, except when canal enlargement was performed to a #40 (P = 0,0136). No differences were observed when comparing the number of uses in both systems (P> 0.05). Conclusions: Under the conditions of this study K3 removed a significant amount of dentin at the furcation level compared with the R-Phase K3XF rotary system in curved root canals. Enlargement to a 35-40/04 file removed significantly more dentin with both systems.en
dc.format.extent7ca
dc.language.isoengca
dc.publisherMedicina Oralca
dc.relation.ispartofJournal of Clinical and Experimental Dentistryca
dc.relation.ispartofseries8;4
dc.rightsThis is an open-access journal distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/
dc.subject.otherGruix de dentinaca
dc.subject.otherK3XF
dc.subject.otherFase R
dc.subject.otherCapacitat central
dc.subject.otherTransport de canals
dc.subject.otherAugment apical
dc.subject.otherEspesor de dentinaes
dc.subject.otherK3XFes
dc.subject.otherFase Res
dc.subject.otherCapacidad central
dc.subject.otherTransporte de canaleses
dc.subject.otherAumento apicales
dc.subject.otherDentin thicknessen
dc.subject.otherK3XFen
dc.subject.otherR-phaseen
dc.subject.otherCenter abilityen
dc.subject.otherCanal transportationen
dc.subject.otherApical increaseen
dc.titleDanger zone analysis using cone beam computed tomography after apical enlargement with K3 and K3XF in a manikin modelen
dc.typeinfo:eu-repo/semantics/articleca
dc.description.versioninfo:eu-repo/semantics/publishedVersionca
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapca
dc.subject.udc616.3ca
dc.identifier.doihttps://dx.doi.org/10.4317/jced.52523ca


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This is an open-access journal distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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