Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal
Abstract This study was conducted to assess the clinical effect of photodynamic therapy (PDT) in the decontamination of the deep dentin of deciduous molars submitted to partial removal of carious tissue. After cavity preparation, dentin samples were taken from the pulp wall of nineteen deciduous molars before and after PDT application. Remaining dentin was treated with 0.01% methylene blue dye followed by irradiation with an InGaAlP diode laser (λ – 660 nm; 40 mW; 120 J/cm2; 120 s). Dentin samples were microbiologically assessed for the enumeration of total microorganisms, Lactobacillus spp. and mutans streptococci. There was no significant difference in the number of colony-forming units (CFU) for any of the microorganisms assessed (p > 0.05). Photodynamic therapy, using 0.01% methylene blue dye at a dosimetry of 120 J/cm2 would not be a viable clinical alternative to reduce bacterial contamination in deep dentin.
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Sociedade Brasileira de Pesquisa Odontológica - SBPqO
2016
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oai:scielo:S1806-832420160001002462016-08-15Clinical effect of photodynamic therapy on primary carious dentin after partial caries removalNEVES,Pierre Adriano MorenoLIMA,Leonardo AbrantesRODRIGUES,Fernanda Cristina NogueiraLEITÃO,Tarcisio JorgeRIBEIRO,Cecília Cláudia Costa Lasers Photochemotherapy Tooth, Deciduous Abstract This study was conducted to assess the clinical effect of photodynamic therapy (PDT) in the decontamination of the deep dentin of deciduous molars submitted to partial removal of carious tissue. After cavity preparation, dentin samples were taken from the pulp wall of nineteen deciduous molars before and after PDT application. Remaining dentin was treated with 0.01% methylene blue dye followed by irradiation with an InGaAlP diode laser (λ – 660 nm; 40 mW; 120 J/cm2; 120 s). Dentin samples were microbiologically assessed for the enumeration of total microorganisms, Lactobacillus spp. and mutans streptococci. There was no significant difference in the number of colony-forming units (CFU) for any of the microorganisms assessed (p > 0.05). Photodynamic therapy, using 0.01% methylene blue dye at a dosimetry of 120 J/cm2 would not be a viable clinical alternative to reduce bacterial contamination in deep dentin.info:eu-repo/semantics/openAccessSociedade Brasileira de Pesquisa Odontológica - SBPqOBrazilian Oral Research v.30 n.1 20162016-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242016000100246en10.1590/1807-3107BOR-2016.vol30.0047 |
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NEVES,Pierre Adriano Moreno LIMA,Leonardo Abrantes RODRIGUES,Fernanda Cristina Nogueira LEITÃO,Tarcisio Jorge RIBEIRO,Cecília Cláudia Costa |
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NEVES,Pierre Adriano Moreno LIMA,Leonardo Abrantes RODRIGUES,Fernanda Cristina Nogueira LEITÃO,Tarcisio Jorge RIBEIRO,Cecília Cláudia Costa Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
author_facet |
NEVES,Pierre Adriano Moreno LIMA,Leonardo Abrantes RODRIGUES,Fernanda Cristina Nogueira LEITÃO,Tarcisio Jorge RIBEIRO,Cecília Cláudia Costa |
author_sort |
NEVES,Pierre Adriano Moreno |
title |
Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
title_short |
Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
title_full |
Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
title_fullStr |
Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
title_full_unstemmed |
Clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
title_sort |
clinical effect of photodynamic therapy on primary carious dentin after partial caries removal |
description |
Abstract This study was conducted to assess the clinical effect of photodynamic therapy (PDT) in the decontamination of the deep dentin of deciduous molars submitted to partial removal of carious tissue. After cavity preparation, dentin samples were taken from the pulp wall of nineteen deciduous molars before and after PDT application. Remaining dentin was treated with 0.01% methylene blue dye followed by irradiation with an InGaAlP diode laser (λ – 660 nm; 40 mW; 120 J/cm2; 120 s). Dentin samples were microbiologically assessed for the enumeration of total microorganisms, Lactobacillus spp. and mutans streptococci. There was no significant difference in the number of colony-forming units (CFU) for any of the microorganisms assessed (p > 0.05). Photodynamic therapy, using 0.01% methylene blue dye at a dosimetry of 120 J/cm2 would not be a viable clinical alternative to reduce bacterial contamination in deep dentin. |
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Sociedade Brasileira de Pesquisa Odontológica - SBPqO |
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2016 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242016000100246 |
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