In vivo microbiological evaluation of the effect of biomechanical preparation of root canals using different irrigating solutions

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dc.contributor.authorTanomaru Filho, Mario [UNESP]
dc.contributor.authorYamashita, José Carlos [UNESP]
dc.contributor.authorLeonardo, Mario Roberto
dc.contributor.authorSilva, Léa Assed Bezerra da
dc.contributor.authorTanomaru, Juliane Maria Guerreiro [UNESP]
dc.contributor.authorIto, Izabel Yoko
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:21:55Z
dc.date.available2014-05-27T11:21:55Z
dc.date.issued2006-07-06
dc.description.abstractThe aim of this study was to evaluate the antimicrobial effect of biomechanical preparation using different irrigating solutions. Seventy-eight root canals from premolars of four dogs were used. After experimental induction of periapical lesions, the root canals were prepared using the following solutions for irrigation: Group 1) 2.5% sodium hypochlorite (NaOCl); Group 2) 2% chlorhexidine (CHX); Group 3) saline solution and Group 4) control group with no biomechanical preparation. The microbiological evaluation of the root canals was performed by counting the colony forming units (CFUs) using different culture mediums. Two absorbent paper cones were used in each root canal in order to collect the microbiological samples before, and thirty days after the biomechanical preparation. The culture plates were incubated in aerobic, anaerobic and microaerophilic environment. Statistical evaluation was carried out using analysis of variance, Tukey and Student tests. The results demonstrated that there was reduction in the number of microorganisms in the NaOCl and CHX groups (p<0.05). There was greater effectiveness in the chlorhexidine group. The group that used saline solution and the control group presented an increased number of microorganisms. It can be concluded that the use of antimicrobial irrigating solutions during biomechanical preparation promotes the reduction of endodontic microbiota. However, a considerable number of microorganisms were still observed.en
dc.description.affiliationDepartment of Endodontics Araraquara Dental School University of the State of São Paulo, Araraquara, SP
dc.description.affiliationAraraquara Dental School University of the State of São Paulo UNESP, Araraquara, SP
dc.description.affiliationDepartment of Pediatric Dentistry Ribeirão Preto Dental School University of São Paulo, Ribeirão Preto, SP
dc.description.affiliationDepartment of Microbiology Ribeirão Preto Pharmaceutics School University of São Paulo, Ribeirão Preto, SP
dc.description.affiliationDepartment of Endodontics Faculdade de Odontologia de Araraquara UNESP, Rua Humaitá, 1680, Cep.: 14801-903 Araraquara, SP
dc.description.affiliationUnespAraraquara Dental School University of the State of São Paulo UNESP, Araraquara, SP
dc.description.affiliationUnespDepartment of Endodontics Faculdade de Odontologia de Araraquara UNESP, Rua Humaitá, 1680, Cep.: 14801-903 Araraquara, SP
dc.format.extent105-110
dc.identifierhttp://dx.doi.org/10.1590/S1678-77572006000200008
dc.identifier.citationJournal of Applied Oral Science, v. 14, n. 2, p. 105-110, 2006.
dc.identifier.doi10.1590/S1678-77572006000200008
dc.identifier.file2-s2.0-33745651123.pdf
dc.identifier.issn1678-7757
dc.identifier.issn1678-7765
dc.identifier.lattes2665211298584751
dc.identifier.scieloS1678-77572006000200008
dc.identifier.scopus2-s2.0-33745651123
dc.identifier.urihttp://hdl.handle.net/11449/68995
dc.language.isoeng
dc.relation.ispartofJournal of Applied Oral Science
dc.relation.ispartofjcr1.709
dc.relation.ispartofsjr0,645
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectChlorhexidine
dc.subjectEndodontics
dc.subjectMicrobiology
dc.subjectSodium hypochlorite
dc.titleIn vivo microbiological evaluation of the effect of biomechanical preparation of root canals using different irrigating solutionsen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/jaos/paboutj.htm
unesp.author.lattes2665211298584751
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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Artigos - Odontologia Restauradora - FOAR