Bactericidal efficacy of Er,Cr : YSGG laser irradiation against Enterococcus faecalis compared with NaOCl irrigation: an ex vivo pilot study

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dc.contributor.authorEldeniz, A. U.
dc.contributor.authorOzer, F.
dc.contributor.authorHadimli, H. H.
dc.contributor.authorErganis, O.
dc.date.accessioned2020-03-26T17:17:02Z
dc.date.available2020-03-26T17:17:02Z
dc.date.issued2007
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractAim To compare the efficacy of a standard NaOCl irrigation procedure with that of Er,Cr:YSGG laser irradiation in contaminated root canals having small and large apical foramina. Methodology Forty root canals of extracted central incisor teeth with straight roots were chosen so that their apical foramina just permitted the tip of a size 20-K file to pass through. The canals were then enlarged with files to size 60 and randomly divided into four groups of 10 teeth each. The apical foramina of one group were widened further so that the tip of a size 45-K file could just pass through. After sterilization, all roots were inoculated with Enterococcus faecalis for 48 h at 37 degrees C. The first group was used as a control, the second group was irrigated with 3% NaOCl solution for 15 min, and the last two groups having different sizes of apical foramina were irradiated with the Er,Cr:YSGG laser at output power from 0.5 W, with 20% air and water levels. The disinfecting efficacy of the groups was tested by collecting dentine chips from the inner canal walls of the specimens and counting viable E. faecalis on Mueller-Hinton agar plates. Results The differences in the mean number of viable colonies between the control and laser groups were statistically significant (P < 0.05). The control specimens had the highest number of microorganisms (153 x 10(3) +/- 39 x 10(3)). Complete sterilization was achieved in the 3% NaOCl group. The mean colony forming units (CFU) values obtained after Er,Cr:YSGG laser irradiation were 6.6 x 10(3) CFU and 6.5 x 10(3) CFU in root canals having large and small apical foramina respectively. Conclusion In teeth with straight roots the Er,Cr:YSGG laser reduced the viable microbial population in root canals with small and large apical foramina but did not eradicate all bacteria. Three percent NaOCl inhibited the growth of E. faecalis and effectively sterilized all root canals.en_US
dc.identifier.doi10.1111/j.1365-2591.2006.01190.xen_US
dc.identifier.endpage119en_US
dc.identifier.issn0143-2885en_US
dc.identifier.issn1365-2591en_US
dc.identifier.issue2en_US
dc.identifier.pmid17229116en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage112en_US
dc.identifier.urihttps://dx.doi.org/10.1111/j.1365-2591.2006.01190.x
dc.identifier.urihttps://hdl.handle.net/20.500.12395/21235
dc.identifier.volume40en_US
dc.identifier.wosWOS:000243404100005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherWILEYen_US
dc.relation.ispartofINTERNATIONAL ENDODONTIC JOURNALen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectE. faecalisen_US
dc.subjectEr, Cr : YSGG laseren_US
dc.subjectroot canalsen_US
dc.titleBactericidal efficacy of Er,Cr : YSGG laser irradiation against Enterococcus faecalis compared with NaOCl irrigation: an ex vivo pilot studyen_US
dc.typeArticleen_US

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