Efficacy of dental unit disinfectants against<i>Candida</i>spp. and<i>Hartmannella vermiformis</i>

Barbot, Vanessa; Costa, Damien; Deborde, Marie; Imbert, Christophe

doi:10.1111/2049-632x.12127

Cited by 7 publications

(16 citation statements)

References 34 publications

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“…Free living amoebae, Legionella, Mycobacterium and yeast species including Candida, found to reside within DUWLs are sourced from the tap water shared by domestic users and the healthcare providers alike [10,25]. In the context of healthcare, the greatest challenge to overcome is when pathogenic nosocomial bacteria use free living amoebae to support their growth [7,8,31,37,43].…”

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Risk Assessment for the Spread of Serratia marcescens Within Dental-Unit Waterline Systems Using Vermamoeba vermiformis

et al. 2015

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(2015) Risk assessment for the spread of Serratia marcescens within dental unit waterline systems using Vermamoeba vermiformis. Current Microbiology, 71 (4). pp. 434 442.It is advisable to refer to the publisher's version if you intend to cite from the work.http://dx.doi.org/10.1007/s00284-015-0872-0For more information about UCLan's research in this area go to http://www.uclan.ac.uk/researchgroups/ and search for . Conflict of interest disclosure statementAll named authors declare that there is no conflict of interest.2 Title: Risk assessment for the spread of Serratia marcescens within dental-unit waterline systems using Vermamoeba vermiformis Abstract:Vermamoeba vermiformis is associated with the biofilm ecology of dental-unit waterlines (DUWLs). This study investigated whether V. vermiformis is able to act as a vector for potentially pathogenic bacteria and so aid their dispersal within DUWL systems. Clinical dental water was initially examined for Legionella species by inoculating it onto Legionella selective-medium plates. The molecular identity/profile of the glassy colonies obtained indicated none of these isolates were Legionella species. During this work bacterial colonies were identified as a non-pigmented Serratia marcescens. As the water was from a clinical DUWL which had been treated with Alpron™ this prompted the question as to whether S. marcescens had developed resistance to the biocide. Exposure to Alpron™ indicated that this dental biocide was effective, under laboratory conditions, against S. marcescens at up to 1x10 8 colony forming units/millilitre (cfu/ml). V. vermiformis was cultured for eight weeks on cells of S. marcescens and Escherichia coli. Subsequent electron microscopy showed that V.vermiformis grew equally well on S. marcescens and E. coli (p = 0.0001). Failure to detect the presence of S.marcescens within the encysted amoebae suggests that V. vermiformis is unlikely to act as a vector supporting the growth of this newly isolated, nosocomial bacterium.

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Risk Assessment for the Spread of Serratia marcescens Within Dental-Unit Waterline Systems Using Vermamoeba vermiformis

et al. 2015

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“…Pseudomanas Selective Agar (DALLOLIO et al, 2014); Pseudomonas Agar (PERCIVAL et al, 2009); Pseudosel Agar (PETTI; POLIMENI; ALLEN, 2015); PYNFH suplementado com 10% soro fetal bovino e antibióticos (BARBOT et al, 2014); R2A…”

Section: Discussionunclassified

“…agar (BANSAL et al, 2011;LIN et al, 2011;SPEARS, 2011;LAL et al, 2015;FUJITA, MASHIMA, NAKAZAWA, 2017); Sabouraud Dextrose Agar (AGAHI et al, 2014;BARBOT et al, 2014); Sulfite Agar (DALLOLIO et al, 2014);…”

Section: Discussionmentioning

confidence: 99%

“…Devido a essa problemática, autores mencionaram diferentes protocolos para desinfecção das linhas d'água dos equipos com substâncias e produtos comerciais, visando o controle da formação do biofilme (GAWANDE et al, 2008;PERCIVAL et al, 2009;ORRÙ et al, 2010;ABDALLAH e KHALIL 2011;BANSAL et al, 2011;LIN et al, 2011;O'DONNELL et al, 2011;SPEARS, 2011;ROSSI-FEDELE et al, 2011;KRAMER et al, 2012;PAREEK et al, 2013;AGAHI et al, 2014;BARBOT et al, 2014;DALLOLIO et al, 2014;BOWEN et al, 2015;HIKAL, ZAKI, SABRY, 2015;LAL et al, 2015;PETTI;POLIMENI;ALLEN, 2015;COSTA et al, 2016a;DITOMMASO et al, 2016;LIZON et al, 2016;PAWAR et al, 2016;FUJITA, MASHIMA, NAKAZAWA, 2017;SHAJAHAN et al, 2017).…”

Section: Introductionunclassified

“…Na literatura, diversas substâncias e produtos com aplicabilidade na melhoria e manutenção da qualidade microbiológica da água de equipos odontológicos foram relatados(GAWANDE et al, 2008;ORRÙ et al, 2010;BANSAL et al, 2011;LIN et al, 2011;PAREEK et al, 2013;BARBOT et al, 2014;DALLOLIO et al, 2014; LIZO et ________________________________________________________Material e Métodos 38 al., 2015;PETTI;POLIMENI;ALLEN, 2015;PAWAR et al, 2016), entretanto, no Brasil, ainda não há produto comercial aprovado pela Agência Nacional de Vigilância Sanitária (ANVISA) para essa finalidade.Neste projeto, utilizando-se de embasamento científico na revista da literatura e nos desafios existentes desta temática, a inovação tecnológica foi possível por meio do desenvolvimento de um produto passível de produção em larga escala e bem como comercialização. Formulações aquosas isoladas e/ou associadas com diferentes concentrações de substâncias como hipoclorito de sódio(PAREEK et al, 2013), ácido cítrico(FAOT et al, 2014), bicarbonato de sódio(GAWANDE et al, 2008), cloreto de sódio(CIRKOVIC et al, 2017), dodecil sulfato de sódio(GAWANDE et al, 2008), peróxido de hidrogênio(ORRÙ et al, 2010;LIN et al, 2011;PAREEK et al, 2013;BARBOT et al, 2014;DALLOLIO et al, 2014;PETTI;POLIMENI;ALLEN, 2015;LIZON et al, 2016;PAWAR et al, 2016), polissorbato 20 (SLOUP et al, 2016), quitosana (COBRADO et al, 2013 foram desenvolvidas e avaliadas quanto à possível aplicabilidade no controle do biofilme nas linha d'água de equipos odontológicos.…”

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Qualidade da água em clínica odontológica na perspectiva microbiológica: uma proposta de intervenção

Monteiro¹

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A Deus, que sempre iluminou meu caminho e minhas decisões. Ao Prof. Dr. Evandro Watanabe, que desde início acreditou em mim. O meu reconhecimento pela oportunidade de realizar este trabalho ao lado de alguém que exala sabedoria; meu respeito e admiração pela sua serenidade e pelo seu dom no ensino da ciência. À Prof. Dra. Denise de Andrade, pela amizade, pelos ensinamentos transferidos e por me acolher na família do Núcleo

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The Application of Silver to Decontaminate Dental Unit Waterlines—a Systematic Review

Hong

Chen

Xue-fen

et al. 2022

Biol Trace Elem Res

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The contamination of dental unit waterlines (DUWLs) is a major health concern since it can pose cross-infection risks among dental professionals and their patients. Silver is one of the widely used metals in medical fields due to its superior antimicrobial properties. Silver-based agents have been commercially available for the decontamination of dental unit water currently. This systematic review aims to examine the evidence supporting efficacy and safety of application of silver to decontaminate DUWLs. We performed a search of the peer-review literature of studies in six electronic databases using corresponding search terms. Eligibility was restricted to English-language studies exploring the application of silver to decontaminate dental unit water, e.g., silver-based disinfectants and silver-coated dental waterlines tubing. The search identified 148 articles, and 9 articles that met the criteria were synthesized with qualitative narrative analyses. We observed good evidence of antimicrobial efficacy of silver with hydrogen peroxide on diverse microorganism present in DUWLs. Furthermore, there is insufficient evidence on the application of silver nanoparticles (AgNPs) as an efficient material to control the biofilms in DUWLs. Post-treatment data of either the bactericidal and bacteriostatic effects of silver or AgNPs, especially the actual clinical efficacy of long-term application, are scarce. More high-quality research is needed to resolve the gap on the optimal dosage and treatment options required to control bacterial and biofilm in DUWLs with silver-containing materials.

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Efficacy of dental unit disinfectants againstCandidaspp. andHartmannella vermiformis

Cited by 7 publications

References 34 publications

Risk Assessment for the Spread of Serratia marcescens Within Dental-Unit Waterline Systems Using Vermamoeba vermiformis

Risk Assessment for the Spread of Serratia marcescens Within Dental-Unit Waterline Systems Using Vermamoeba vermiformis

Qualidade da água em clínica odontológica na perspectiva microbiológica: uma proposta de intervenção

The Application of Silver to Decontaminate Dental Unit Waterlines—a Systematic Review

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