Antimicrobial activity and enterococcus faecalis biofilm formation on chlorhexidine varnishes
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Antimicrobial activity and enterococcus faecalis biofilm formation on chlorhexidine varnishes

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Antimicrobial activity and enterococcus faecalis biofilm formation on chlorhexidine varnishes

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dc.contributor.author Arias Moliz, María Teresa es
dc.contributor.author Ferrer Luque, Carmen María es
dc.contributor.author González Rodríguez, Mª Paloma es
dc.contributor.author Navarro Escobar, Esther es
dc.contributor.author Freitas, Márcia-Furtado-Antunes de es
dc.contributor.author Baca García, Pilar es
dc.date.accessioned 2017-07-24T12:11:47Z
dc.date.available 2017-07-24T12:11:47Z
dc.date.issued 2012 es
dc.identifier.uri http://hdl.handle.net/10550/59904
dc.description.abstract Objective: To evaluate, in vitro , the antimicrobial activity and biofilm formation of three chlorhexidine varnishes in four Enterococcus faecalis strains: E. faecalis ATCC 29212, E. faecalis EF-D1 (from failed endodontic treatment), E. faecalis 072 (cheese) and E. faecalis U-1765 (nosocomial infection), and one Enterococcus durans strain (failed endodontic treatment). Study Design: The direct contact test was used to study the antimicrobial activity. Bacterial suspensions were exposed for one hour to EC40, Cervitec (CE) and Cervitec Plus (CEP) varnishes. ?Eradication? was defined as 100% bacterial kill. The formation of enterococci biofilms was tested on the surface of the varnishes after 24 hours of incubation and expressed as percentage of biofilm reduction. Results: EC40 eradicated all strains except E. faecalis ATCC 29212, where 98.78% kill was achieved. CE and CEP showed antimicrobial activity against all the strains, but most clearly against E. durans and E. faecalis 072. EC40 completely inhibited the formation of biofilm of E. faecalis ATCC 29212, E. faecalis 072 and E. durans . CE and CEP led to over 92% of biofilm reduction, except in the case of E. faecalis U-1765 on CEP (76.42%). Conclusion: The three varnishes studied were seen to be effective in killing the tested strains of enterococci and in inhibiting the formation of biofilm, the best results being observed with EC40. es
dc.source Arias Moliz, María Teresa ; Ferrer Luque, Carmen María ; González Rodríguez, Mª Paloma ; Navarro Escobar, Esther ; Freitas, Márcia-Furtado-Antunes de ; Baca García, Pilar. Antimicrobial activity and enterococcus faecalis biofilm formation on chlorhexidine varnishes. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 17 4 2012: 9- es
dc.title Antimicrobial activity and enterococcus faecalis biofilm formation on chlorhexidine varnishes es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.17680 es

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