Effectiveness of Photodynamic Therapy for the Inactivation of Candida spp. on Dentures: In Vitro Study
Identifieur interne : 003880 ( Ncbi/Curation ); précédent : 003879; suivant : 003881Effectiveness 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>
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<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>
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<author><name sortKey="Ribeiro, Daniela Garcia" sort="Ribeiro, Daniela Garcia" uniqKey="Ribeiro D" first="Daniela Garcia" last="Ribeiro">Daniela Garcia Ribeiro</name>
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</affiliation>
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<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>
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<author><name sortKey="Bagnato, Vanderlei Salvador" sort="Bagnato, Vanderlei Salvador" uniqKey="Bagnato V" first="Vanderlei Salvador" last="Bagnato">Vanderlei Salvador Bagnato</name>
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<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>
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<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>
</record>
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