Long-term Evaluation of the Influence of Smear Layer on the Apical Sealing Ability of MTA

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dc.contributor.authorYildirim, Tahsin
dc.contributor.authorOrucoglu, Hasan
dc.contributor.authorCobankara, Funda Kont
dc.date.accessioned2020-03-26T17:27:11Z
dc.date.available2020-03-26T17:27:11Z
dc.date.issued2008
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe aim of this in vitro study was to investigate the effect of the smear layer on apical microleakage in teeth obturated with mineral trioxide aggregate (MTA). Fifty single-rooted central maxillary teeth were used in this study. All teeth were instrumented to size 60 by using the step-back technique, The selected teeth were randomly divided into 2 groups (n = 20). In the first group (smear [+]), the teeth were irrigated with only NaOCl (5.25%). In the second group (smear [-]), the teeth were irrigated with ethylenediaminetetraacetic acid (EDTA) (17%) and NaOCl (5.25%) to remove the smear layer. The teeth were then filled with MTA. The computerized fluid filtration method was used for evaluation of apical microleakage. The quantitative apical leakage of each tooth was measured after 2, 30, and 180 days. Statistical analysis was done with the Mann-Whitney U and Wilcoxon signed ranks tests. At the end of this study there was no difference in 2 days between the groups, but removal of the smear layer caused significantly more apical microleakage than when the smear layer was left intact for 30 and 180 days (P < .005). Within the constraints of this study it can be concluded that the apical microleakage of MTA is less when the smear layer is present than when it is absent. (J Endod 2008;34:1537-1540)en_US
dc.identifier.doi10.1016/j.joen.2008.08.022en_US
dc.identifier.endpage1540en_US
dc.identifier.issn0099-2399en_US
dc.identifier.issue12en_US
dc.identifier.pmid19026890en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1537en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.joen.2008.08.022
dc.identifier.urihttps://hdl.handle.net/20.500.12395/22496
dc.identifier.volume34en_US
dc.identifier.wosWOS:000261623200022en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE INCen_US
dc.relation.ispartofJOURNAL OF ENDODONTICSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectFluid filtrationen_US
dc.subjectmicroleakageen_US
dc.subjectMTAen_US
dc.subjectroot fillingen_US
dc.subjectsmear layeren_US
dc.titleLong-term Evaluation of the Influence of Smear Layer on the Apical Sealing Ability of MTAen_US
dc.typeArticleen_US

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