Comparative Histopathological Analysis of Human Pulps after Class I Cavity Preparation with a High-Speed Air-Turbine Handpiece or Er:YAG Laser

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorKina, J. F.-
Autor(es): dc.creatorBenitez, P. C.-
Autor(es): dc.creatorLizarelli, R. F. Z.-
Autor(es): dc.creatorBagnato, V. S.-
Autor(es): dc.creatorMartinez, T. C.-
Autor(es): dc.creatorOliveira, C. F.-
Autor(es): dc.creatorHebling, Josimeri-
Autor(es): dc.creatorCosta, Carlos Alberto de Souza-
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Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCNPq: 476137/2006-3-
Descrição: dc.descriptionCNPq: 301029/2007-5-
Descrição: dc.descriptionProcesso FAPESP: 07/50646-3-
Descrição: dc.descriptionThe purpose of this study was to comparatively evaluate the response of human pulps after cavity preparation with different devices. Deep class I cavities were prepared in sound mandibular premolars using either a high-speed air-turbine handpiece (Group 1) or an Er: YAG laser (Group 2). Following total acid etching and the application of an adhesive system, all cavities were restored with composite resin. Fifteen days after the clinical procedure, the teeth were extracted and processed for analysis under optical microscopy. In Group 1 in which the average for the remaining dentin thickness (RDT) between the cavity floor and the coronal pulp was 909.5 mu m, a discrete inflammatory response occurred in only one specimen with an RDT of 214 mu m. However, tissue disorganization occurred in most specimens. In Group 2 (average RDT = 935.2 mu m), the discrete inflammatory pulp response was observed in only one specimen (average RDT = 413 mu m). It may be concluded that the high-speed air-turbine handpiece caused greater structural alterations in the pulp, although without inducing inflammatory processes.-
Formato: dc.format1562-1569-
Idioma: dc.languageen-
Publicador: dc.publisherMaik Nauka/interperiodica/springer-
Relação: dc.relationLaser Physics-
Relação: dc.relation1.158-
Direitos: dc.rightsclosedAccess-
Título: dc.titleComparative Histopathological Analysis of Human Pulps after Class I Cavity Preparation with a High-Speed Air-Turbine Handpiece or Er:YAG Laser-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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