Evaluation of three different decontamination techniques on biofilm formation, and on physical and chemical properties of resin composites

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dc.creatorCarolina Bosso André
dc.creatorAndressa dos Santos
dc.creatorCarmem Silvia Pfeifer
dc.creatorMarcelo Giannini
dc.creatorEmerson Marcelo Girotto
dc.creatorJack Liborio Ferracane
dc.date.accessioned2022-08-29T17:56:02Z
dc.date.accessioned2025-09-08T23:59:07Z
dc.date.available2022-08-29T17:56:02Z
dc.date.issued2018-04
dc.format.mimetypepdf
dc.identifier.doi10.1002/jbm.b.33907
dc.identifier.issn15524973
dc.identifier.urihttps://hdl.handle.net/1843/44673
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Biomedical materials research part b-applied biomaterials
dc.rightsAcesso Aberto
dc.subjectComposite resins
dc.subjectSterilization
dc.subjectBiofilms
dc.subjectDisinfection
dc.subject.otherResin composite
dc.subject.otherSterilization
dc.subject.otherBiofilm
dc.subject.otherSurface analysis
dc.titleEvaluation of three different decontamination techniques on biofilm formation, and on physical and chemical properties of resin composites
dc.typeArtigo de periódico
local.citation.epage953
local.citation.issue03
local.citation.spage945
local.citation.volume106
local.description.resumoObjectives: This study evaluated three different sterilization/disinfection techniques for resin composites on bacterial growth and surface modification after decontamination. Methods: Two resin composites were sterilized/disinfected with three different techniques: UV light, 1% chloramine T, and 70% ethanol. Four different times were used for each technique to determine the shortest time that the solution or UV light was effective. The influence of sterilization/disinfection technique on bacterial growth was evaluated by analyzing the metabolic activity, using the AlamarBlue™ assay, bacterial viability, and SEM images from biofilms of Streptococcus mutans. The surface change, after the process, was analyzed with ATR/FTIR and SEM images. The solutions used for decontamination (1% chloramine-T and 70% ethanol) were analyzed with 1H-NMR to identify any resin compounds leached during the process. Results: One minute of decontamination was efficient for all three methods tested. Chloramine-T increased the surface porosity on resin composites, no changes were observed for UV light and 70% ethanol, however, 1H-NMR identified leached monomers only when 70% ethanol was used. No chemical change of the materials was found under ATR/FTIR analyses after the decontamination process. Chloramine-T, with no previous wash, increased the bacterial viability for both resin composites and increased the bacterial metabolism for the resin composite without fluoride. Conclusion: UV light had no interference on the resin composites properties tested using 1 min of exposure compared to the other decontamination methods
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.initialsUFMG
local.url.externahttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6381933/

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