Effectiveness of Photodynamic Therapy for the Inactivation of Candida spp. on Dentures: In Vitro Study
Identifieur interne : 002189 ( Pmc/Checkpoint ); précédent : 002188; suivant : 002190Effectiveness of Photodynamic Therapy for the Inactivation of Candida spp. on Dentures: In Vitro Study
Auteurs : Ewerton Garcia De Oliveira Mima ; Ana Cláudia Pavarina ; Daniela Garcia Ribeiro ; Livia Nordi Dovigo ; Carlos Eduardo Vergani ; Vanderlei Salvador BagnatoSource :
- Photomedicine and Laser Surgery [ 1549-5418 ] ; 2011.
Abstract
Url:
DOI: 10.1089/pho.2011.3022
PubMed: 21916614
PubMed Central: 3231796
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effectiveness of Photodynamic Therapy for the Inactivation of <italic>Candida</italic> spp. on Dentures: <italic>In Vitro</italic> Study</title><author><name sortKey="Mima, Ewerton Garcia De Oliveira" sort="Mima, Ewerton Garcia De Oliveira" uniqKey="Mima E" first="Ewerton Garcia De Oliveira" last="Mima">Ewerton Garcia De Oliveira Mima</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Pavarina, Ana Claudia" sort="Pavarina, Ana Claudia" uniqKey="Pavarina A" first="Ana Cláudia" last="Pavarina">Ana Cláudia Pavarina</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Ribeiro, Daniela Garcia" sort="Ribeiro, Daniela Garcia" uniqKey="Ribeiro D" first="Daniela Garcia" last="Ribeiro">Daniela Garcia Ribeiro</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author><author><name sortKey="Dovigo, Livia Nordi" sort="Dovigo, Livia Nordi" uniqKey="Dovigo L" first="Livia Nordi" last="Dovigo">Livia Nordi Dovigo</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Vergani, Carlos Eduardo" sort="Vergani, Carlos Eduardo" uniqKey="Vergani C" first="Carlos Eduardo" last="Vergani">Carlos Eduardo Vergani</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Bagnato, Vanderlei Salvador" sort="Bagnato, Vanderlei Salvador" uniqKey="Bagnato V" first="Vanderlei Salvador" last="Bagnato">Vanderlei Salvador Bagnato</name><affiliation><nlm:aff id="aff4"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21916614</idno><idno type="pmc">3231796</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3231796</idno><idno type="RBID">PMC:3231796</idno><idno type="doi">10.1089/pho.2011.3022</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">002540</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002540</idno><idno type="wicri:Area/Pmc/Curation">002540</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002540</idno><idno type="wicri:Area/Pmc/Checkpoint">002189</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">002189</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effectiveness of Photodynamic Therapy for the Inactivation of <italic>Candida</italic> spp. on Dentures: <italic>In Vitro</italic> Study</title><author><name sortKey="Mima, Ewerton Garcia De Oliveira" sort="Mima, Ewerton Garcia De Oliveira" uniqKey="Mima E" first="Ewerton Garcia De Oliveira" last="Mima">Ewerton Garcia De Oliveira Mima</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Pavarina, Ana Claudia" sort="Pavarina, Ana Claudia" uniqKey="Pavarina A" first="Ana Cláudia" last="Pavarina">Ana Cláudia Pavarina</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Ribeiro, Daniela Garcia" sort="Ribeiro, Daniela Garcia" uniqKey="Ribeiro D" first="Daniela Garcia" last="Ribeiro">Daniela Garcia Ribeiro</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author><author><name sortKey="Dovigo, Livia Nordi" sort="Dovigo, Livia Nordi" uniqKey="Dovigo L" first="Livia Nordi" last="Dovigo">Livia Nordi Dovigo</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Vergani, Carlos Eduardo" sort="Vergani, Carlos Eduardo" uniqKey="Vergani C" first="Carlos Eduardo" last="Vergani">Carlos Eduardo Vergani</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Bagnato, Vanderlei Salvador" sort="Bagnato, Vanderlei Salvador" uniqKey="Bagnato V" first="Vanderlei Salvador" last="Bagnato">Vanderlei Salvador Bagnato</name><affiliation><nlm:aff id="aff4"></nlm:aff></affiliation></author></analytic><series><title level="j">Photomedicine and Laser Surgery</title><idno type="ISSN">1549-5418</idno><idno type="eISSN">1557-8550</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Abstract</title><p><bold><italic>Objective:</italic></bold> This <italic>in vitro</italic> study evaluated the effectiveness of photodynamic therapy (PDT) for the inactivation of different species of <italic>Candida</italic> on maxillary complete dentures. <bold><italic>Background data:</italic></bold> The treatment of denture stomatitis requires the inactivation of <italic>Candida</italic> spp. on dentures. PDT has been reported as an effective method for <italic>Candida</italic> inactivation. <bold><italic>Methods:</italic></bold> Reference strains of <italic>C. albicans</italic>, <italic>C. glabrata</italic>, <italic>C. tropicalis</italic>, <italic>C. dubliniensis</italic> and <italic>C. krusei</italic> were tested. Thirty-four dentures were fabricated in a standardized procedure and subjected to ethylene oxide sterilization. The dentures were individually inoculated with one of the strains and incubated at 37°C for 24 h. Dentures submitted to PDT (P+L+) were individually sprayed with 50 mg/L of Photogem<sup>®</sup> (PS) and, after 30 min, illuminated by LED light for 26 min (37.5 J/cm<sup>2</sup>). Additional dentures were treated only with PS (P+L-) or light (P-L+) or neither (P-L-). Samples of serial dilutions were spread on Sabouraud dextrose agar and incubated at 37°C for 48 h. The colonies were counted and the values of log (cfu/mL) were analyzed by Kruskall-Wallis and Dunn tests (<italic>p</italic><0.05). <bold><italic>Results:</italic></bold> For all species of <italic>Candida</italic>, PDT resulted in significant reduction (<italic>p</italic><0.05) of cfu/mL values from dentures when compared with P-L- (reductions from 1.73 to 3.99 log<sub>10</sub>). Significant differences (<italic>p</italic><0.05), but lower reductions, were also observed for P+L- and P-L+when compared with P-L- for some species of <italic>Candida</italic>. <bold><italic>Conclusions:</italic></bold> PDT was an effective method for reducing <italic>Candida</italic> spp. on dentures.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Photomed Laser Surg</journal-id><journal-id journal-id-type="publisher-id">pho</journal-id><journal-title-group><journal-title>Photomedicine and Laser Surgery</journal-title></journal-title-group><issn pub-type="ppub">1549-5418</issn><issn pub-type="epub">1557-8550</issn><publisher><publisher-name>Mary Ann Liebert, Inc.</publisher-name><publisher-loc>140 Huguenot Street, 3rd FloorNew Rochelle, NY 10801USA</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">21916614</article-id><article-id pub-id-type="pmc">3231796</article-id><article-id pub-id-type="publisher-id">10.1089/pho.2011.3022</article-id><article-id pub-id-type="doi">10.1089/pho.2011.3022</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Research</subject></subj-group></article-categories><title-group><article-title>Effectiveness of Photodynamic Therapy for the Inactivation of <italic>Candida</italic> spp. on Dentures: <italic>In Vitro</italic> Study</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Mima</surname><given-names>Ewerton Garcia de Oliveira</given-names></name><degrees>D.D.S., M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Pavarina</surname><given-names>Ana Cláudia</given-names></name><degrees>D.D.S., M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ribeiro</surname><given-names>Daniela Garcia</given-names></name><degrees>D.D.S., M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Dovigo</surname><given-names>Livia Nordi</given-names></name><degrees>D.D.S., M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Vergani</surname><given-names>Carlos Eduardo</given-names></name><degrees>D.D.S., M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Bagnato</surname><given-names>Vanderlei Salvador</given-names></name><degrees>M.Sc., Ph.D.</degrees><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib><aff id="aff1"><label><sup>1</sup></label>Dentistry School,<institution>São Francisco University</institution>, Bragança Paulista, SP,<country>Brazil</country>.</aff><aff id="aff2"><label><sup>2</sup></label>Department of Dental Materials and Prosthodontics, Araraquara Dental School,<institution>UNESP–Univ Estadual Paulista</institution>, São Paulo,<country>Brazil</country>.</aff><aff id="aff3"><label><sup>3</sup></label>Department of Dentistry,<institution>Ponta Grossa State University (UEPG)</institution>, Ponta Grossa, PR,<country>Brazil</country>.</aff><aff id="aff4"><label><sup>4</sup></label>Physics Institute,<institution>University of São Paulo</institution>, Carlos,<country>Brazil</country>.</aff></contrib-group><author-notes><corresp>Address correspondnce to: <italic>Ana Cláudia Pavarina, Faculdade de Odontologia de Araraquara – UNESP, R. Humaitá n° 1680, Araraquara – São Paulo, Brazil – CEP 14801-903. E-mail:</italic><email xlink:href="mailto:pavarina@foar.unesp.br">pavarina@foar.unesp.br</email></corresp></author-notes><pub-date pub-type="ppub"><month>12</month><year>2011</year><pmc-comment>string-date: December 2011</pmc-comment>
</pub-date><volume>29</volume><issue>12</issue><fpage>827</fpage><lpage>833</lpage><permissions><copyright-statement>Copyright 2011, Mary Ann Liebert, Inc.</copyright-statement><copyright-year>2011</copyright-year></permissions><self-uri xlink:type="simple" xlink:href="pho.2011.3022.pdf"></self-uri><abstract><title>Abstract</title><p><bold><italic>Objective:</italic></bold> This <italic>in vitro</italic> study evaluated the effectiveness of photodynamic therapy (PDT) for the inactivation of different species of <italic>Candida</italic> on maxillary complete dentures. <bold><italic>Background data:</italic></bold> The treatment of denture stomatitis requires the inactivation of <italic>Candida</italic> spp. on dentures. PDT has been reported as an effective method for <italic>Candida</italic> inactivation. <bold><italic>Methods:</italic></bold> Reference strains of <italic>C. albicans</italic>, <italic>C. glabrata</italic>, <italic>C. tropicalis</italic>, <italic>C. dubliniensis</italic> and <italic>C. krusei</italic> were tested. Thirty-four dentures were fabricated in a standardized procedure and subjected to ethylene oxide sterilization. The dentures were individually inoculated with one of the strains and incubated at 37°C for 24 h. Dentures submitted to PDT (P+L+) were individually sprayed with 50 mg/L of Photogem<sup>®</sup> (PS) and, after 30 min, illuminated by LED light for 26 min (37.5 J/cm<sup>2</sup>). Additional dentures were treated only with PS (P+L-) or light (P-L+) or neither (P-L-). Samples of serial dilutions were spread on Sabouraud dextrose agar and incubated at 37°C for 48 h. The colonies were counted and the values of log (cfu/mL) were analyzed by Kruskall-Wallis and Dunn tests (<italic>p</italic><0.05). <bold><italic>Results:</italic></bold> For all species of <italic>Candida</italic>, PDT resulted in significant reduction (<italic>p</italic><0.05) of cfu/mL values from dentures when compared with P-L- (reductions from 1.73 to 3.99 log<sub>10</sub>). Significant differences (<italic>p</italic><0.05), but lower reductions, were also observed for P+L- and P-L+when compared with P-L- for some species of <italic>Candida</italic>. <bold><italic>Conclusions:</italic></bold> PDT was an effective method for reducing <italic>Candida</italic> spp. on dentures.</p></abstract><counts><fig-count count="6"></fig-count><ref-count count="35"></ref-count><page-count count="7"></page-count></counts></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Bagnato, Vanderlei Salvador" sort="Bagnato, Vanderlei Salvador" uniqKey="Bagnato V" first="Vanderlei Salvador" last="Bagnato">Vanderlei Salvador Bagnato</name><name sortKey="Dovigo, Livia Nordi" sort="Dovigo, Livia Nordi" uniqKey="Dovigo L" first="Livia Nordi" last="Dovigo">Livia Nordi Dovigo</name><name sortKey="Mima, Ewerton Garcia De Oliveira" sort="Mima, Ewerton Garcia De Oliveira" uniqKey="Mima E" first="Ewerton Garcia De Oliveira" last="Mima">Ewerton Garcia De Oliveira Mima</name><name sortKey="Pavarina, Ana Claudia" sort="Pavarina, Ana Claudia" uniqKey="Pavarina A" first="Ana Cláudia" last="Pavarina">Ana Cláudia Pavarina</name><name sortKey="Ribeiro, Daniela Garcia" sort="Ribeiro, Daniela Garcia" uniqKey="Ribeiro D" first="Daniela Garcia" last="Ribeiro">Daniela Garcia Ribeiro</name><name sortKey="Vergani, Carlos Eduardo" sort="Vergani, Carlos Eduardo" uniqKey="Vergani C" first="Carlos Eduardo" last="Vergani">Carlos Eduardo Vergani</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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