Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ultrasmedbio.2012.12.006
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dc.titleEffect of High-Intensity Focused Ultrasound on Enterococcus Faecalis Planktonic Suspensions and Biofilms
dc.contributor.authorIqbal, K.
dc.contributor.authorOhl, S.-W.
dc.contributor.authorKhoo, B.-C.
dc.contributor.authorNeo, J.
dc.contributor.authorFawzy, A.S.
dc.date.accessioned2013-10-16T07:23:34Z
dc.date.available2013-10-16T07:23:34Z
dc.date.issued2013
dc.identifier.citationIqbal, K., Ohl, S.-W., Khoo, B.-C., Neo, J., Fawzy, A.S. (2013). Effect of High-Intensity Focused Ultrasound on Enterococcus Faecalis Planktonic Suspensions and Biofilms. Ultrasound in Medicine and Biology 39 (5) : 825-833. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ultrasmedbio.2012.12.006
dc.identifier.issn03015629
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/47132
dc.description.abstractIn this study, the effect of high-intensity focused ultrasound (HIFU) on Enterococcus faecalis on both planktonic suspensions and biofilms was investigated. E. faecalis persist in secondary dental infections as biofilms. Glass-bottom Petri dishes with biofilms were centered at the focal point of the HIFU wave generated by a 250-kHz transducer. Specimens were subjected to HIFU exposure at different periods of 30, 60 and 120 s. The viable bacteria, removal effect and bacterial viability of biofilms attached to the Petri dish surface were studied by colony-forming units (CFUs), scanning electron microscopy and confocal microscopy, respectively. The removal and bactericidal effects of HIFU are dependent on the exposure time. A significant reduction in biofilm thickness and CFU was found with the increase in HIFU exposure. The removal or bactericidal effect of HIFU was more significant starting from 60 s of exposure. This study highlighted the potential application of HIFU as a novel method for root canal disinfection. © 2013 World Federation for Ultrasound in Medicine & Biology.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.ultrasmedbio.2012.12.006
dc.sourceScopus
dc.subjectBiofilm
dc.subjectEnterococcus faecalis
dc.subjectHIFU
dc.subjectPlanktonic suspensions
dc.typeArticle
dc.contributor.departmentDENTISTRY
dc.description.doi10.1016/j.ultrasmedbio.2012.12.006
dc.description.sourcetitleUltrasound in Medicine and Biology
dc.description.volume39
dc.description.issue5
dc.description.page825-833
dc.description.codenUSMBA
dc.identifier.isiut000317401000010
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