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dc.contributor.authorMatos, F.S.
dc.contributor.authorKhoury, R.D.
dc.contributor.authorCarvalho, C.A.T.
dc.date.accessioned2019-09-13T14:49:33Z
dc.date.available2019-09-13T14:49:33Z
dc.date.issued2019
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85067513563&doi=10.1590%2f0103-6440201902470&partnerID=40&md5=8a50a4354289f7e0a617e15779f5b101
dc.identifier.urihttp://hdl.handle.net/10713/10612
dc.description.abstractThe present study aimed to compare the effectiveness of QMiX and 17% EDTA associated to passive ultrasonic irrigation (PUI) or manual agitation (MA) on the reduction of E. faecalis, E. coli and LPS from root canals. Forty single rooted human teeth were randomly divided into four groups (n=10), according to the final irrigation protocol: EDTA+MA, QMiX+MA, EDTA+PUI, QMiX+PUI. Sample collections were obtained from the root canal content immediately before preparation (baseline-S1), after instrumentation (S2), after final irrigation protocol (S3) and 7 days after instrumentation and final irrigation (S4). The antimicrobial effectivity and on endotoxin content were analyzed by culture procedure (CFU/mL) and LAL assay (EU/mL), respectively. The results were statistically analyzed by Kruskal-Wallis and Friedman test (α=5%). QMiX+MA and QMiX+PUI reduced 100% of E. coli and E. faecalis bacteria and also prevented E. faecalisregrowth at S4. EDTA significantly reduced E. coli, but it was not effective in reducing E. faecalis. All protocols reduced EU/mL when compared to S1, however at S4 there was a significant reduction of EU/mL only in the QMiX+MA and QMiX+PUI groups in relation to S3 and S2, respectively. Final irrigation with QMiX associated with MA or PUI had superior antibacterial efficacy compared to EDTA, eliminating 100% of E. coli and E. faecalis strains. In addition, QMiX+PUI reduced 97.61% of the initial content of LPS.en_US
dc.description.urihttps://doi.org/10.1590/0103-6440201902470en_US
dc.language.isoen-USen_US
dc.publisherSciELOen_US
dc.relation.ispartofBrazilian dental journal
dc.subjectendotoxinen_US
dc.subjectpassive ultrasonic irrigationen_US
dc.subjectQMix root canal irriganten_US
dc.subject.meshBacteriaen_US
dc.titleEffect of EDTA and QMIX Ultrasonic Activation on the Reduction of Microorganisms and Endotoxins in Ex Vivo Human Root Canalsen_US
dc.typeArticleen_US
dc.identifier.doi10.1590/0103-6440201902470
dc.identifier.pmid31166400


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