Self-Adjusting Files in Retreatment: A High-resolution Micro-Computed Tomography Study

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dc.contributor.authorSolomonov, Michael
dc.contributor.authorPaque, Frank
dc.contributor.authorKaya, Sadullah
dc.contributor.authorAdzguzel, Ozkan
dc.contributor.authorKfir, Anda
dc.contributor.authorYigit-Ozer, Senem
dc.date.accessioned2024-04-24T16:15:13Z
dc.date.available2024-04-24T16:15:13Z
dc.date.issued2012
dc.departmentDicle Üniversitesien_US
dc.description.abstractIntroduction: Rotary instruments that are used for retreatment are very effective, but most of them leave root filling residue in the canal. The aim of this study was to evaluate the efficacy of removing gutta-percha based root fillings with Pro Taper retreatment files (Dentsply Maillefer, Ballaigues, Switzerland) followed by F1 and F2 Pro Taper instruments and to compare these results with those obtained with a #25.06 Pro File instrument (Dentsply Maillefer) followed by the Self-Adjusting File (SAF; Re Dent, Ra'anana, Israel) using high resolution micro-computed tomography (CT) scanning. Methods: Twenty-eight mandibular molar teeth with oval distal root canals were divided into 2 equal groups of 14 teeth each. The distal root canals were instrumented with Pro Taper files up to an F2 instrument, the roots were subsequently filled, and the root filling was allowed to set fully. Removal of the root canal filling was performed with D1-D3 ProTaper retreatment files followed by F1 and F2 ProTaper instruments or with a #25.06 Profile followed by SAFs. Chloroform was used in both groups to assist in the removal of the root filling material. High-resolution micro-CT scans were used to measure the residual quantities of the root filling material after completion of the procedures. Statistical analysis was performed using the Wilcoxon test and the Student t test. Results: The median root filling residue in the ProTaper group was 5.39% (inter-quartile range [IQR] = 4.71) of the original volume of the root canal filling. In the ProFile and SAF group, the median residue was 0.41% (IQR = 1.64, P < .001). An arbitrarily selected threshold of less than 0.5% residue was defined as effectively cleaned, and 57% of the teeth treated with the ProFile and the SAF met this threshold, whereas none of the cases in the ProTaper group did. The ProFile and SAF procedure required less time than the ProTaper protocol. Conclusions: None of the retreatment methods rendered all of the canals completely free of all root filling residue. Under the conditions of this study, the ProFile and SAF procedure was more effective than the ProTaper procedure and left significantly less root filling residue in the root canal. (J Ended 2012;38:1283-1287)en_US
dc.identifier.doi10.1016/j.joen.2012.06.019
dc.identifier.endpage1287en_US
dc.identifier.issn0099-2399
dc.identifier.issue9en_US
dc.identifier.pmid22892752
dc.identifier.scopus2-s2.0-84865007697
dc.identifier.scopusqualityQ1
dc.identifier.startpage1283en_US
dc.identifier.urihttps://doi.org/10.1016/j.joen.2012.06.019
dc.identifier.urihttps://hdl.handle.net/11468/15706
dc.identifier.volume38en_US
dc.identifier.wosWOS:000308278200025
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherElsevier Science Incen_US
dc.relation.ispartofJournal of Endodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMicro-Cten_US
dc.subjectProtaperen_US
dc.subjectRetreatmenten_US
dc.subjectSelf-Adjusting Fileen_US
dc.titleSelf-Adjusting Files in Retreatment: A High-resolution Micro-Computed Tomography Studyen_US
dc.titleSelf-Adjusting Files in Retreatment: A High-resolution Micro-Computed Tomography Study
dc.typeArticleen_US

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