Effects of low-intensity red laser radiation on the dentine-pulp interface after class I cavity preparation disfunction

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dc.contributor.authorGODOY, B.M.pt_BR
dc.contributor.authorARANA-CHAVEZ, V.E.pt_BR
dc.contributor.authorBORTOLI GROTH, E.B.pt_BR
dc.contributor.authorRIBEIRO, M.S.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2022-02-21T18:53:22Z
dc.date.available2022-02-21T18:53:22Z
dc.date.issued2004pt_BR
dc.description.abstractThe aim of this study was to investigate the effects of low-intensity red laser radiation on the ultrastructure of dentine-pulp interface after conventionally prepared class I cavity preparation. Eight premolars indicated for extraction for orthodontic reasons from 2 patients were used. Class I cavities were prepared and the teeth were divided into two groups. The first group received a treatment with a GaAlAs laser, l= 660 nm, P= 30 mW and D= 2J/cm2. The laser tip was applied directly and perpendicularly into the cavity in only one sense. The teeth from the second group had their class I cavities prepared but they did not receive the laser therapy. All cavities were filled with composite resin. Twenty-eight days after the preparation, the teeth were extracted and processed for transmission electron microscopy analysis. Two sound teeth (healthy group) without any preparation were also examined. The first group presented odontoblastic processes in intimate contact with the extracellular matrix, while the collagen fibers appeared more aggregated and organized than those of the second group. These results were also observed in the healthy teeth. The results suggest that laser irradiation accelerates the recovery of the structures at the dentine-pulp interface involved during cavity preparation layer.pt_BR
dc.format.extent86-87pt_BR
dc.identifier.citationGODOY, B.M.; ARANA-CHAVEZ, V.E.; BORTOLI GROTH, E.B.; RIBEIRO, M.S. Effects of low-intensity red laser radiation on the dentine-pulp interface after class I cavity preparation disfunction. <b>Brazilian Dental Journal</b>, v. 15, p. 86-87, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32758.
dc.identifier.issn0103-6440pt_BR
dc.identifier.orcid0000-0002-4203-1134pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-4203-1134
dc.identifier.percentilfiSem Percentilpt_BR
dc.identifier.percentilfiCiteScoreSem Percentil CiteScorept_BR
dc.identifier.suplementoSpecial issuept_BR
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/32758
dc.identifier.vol15pt_BR
dc.relation.ispartofBrazilian Dental Journalpt_BR
dc.rightsopenAccesspt_BR
dc.sourceInternational Congress on Laser in Dentistry, 9th, July 21-24, 2004, São Paulo, SPpt_BR
dc.subjectteeth
dc.subjectdentin
dc.subjectoral cavity
dc.subjectlasers
dc.subjectradiation effects
dc.titleEffects of low-intensity red laser radiation on the dentine-pulp interface after class I cavity preparation disfunctionpt_BR
dc.typeResumos em periódicospt_BR
dspace.entity.typePublication
ipen.autorMARTHA SIMOES RIBEIRO
ipen.codigoautor574
ipen.contributor.ipenauthorMARTHA SIMOES RIBEIRO
ipen.date.recebimento22-02
ipen.identifier.fiSem F.I.pt_BR
ipen.identifier.fiCiteScoreSem CiteScorept_BR
ipen.identifier.ipendoc12992pt_BR
ipen.type.genreResumo
relation.isAuthorOfPublication36215a53-0150-4910-91d7-9559717b62d7
relation.isAuthorOfPublication.latestForDiscovery36215a53-0150-4910-91d7-9559717b62d7
sigepi.autor.atividadeRIBEIRO, M.S.:574:920:Npt_BR
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