Elimination of intracanal infection in dogs' teeth with induced periapical lesions after rotary instrumentation: Influence of different calcium hydroxide pastes

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dc.contributor.authorSoares, Janir Alves
dc.contributor.authorLeonardo, Mário Roberto [UNESP]
dc.contributor.authorDa Silva, Léa Assed Bezerra
dc.contributor.authorTanomaru Filho, Mario [UNESP]
dc.contributor.authorIto, Izabel Yoko
dc.contributor.institutionUniversidade Federal de Viçosa (UFV)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
dc.date.accessioned2014-05-27T11:21:57Z
dc.date.available2014-05-27T11:21:57Z
dc.date.issued2006-08-31
dc.description.abstractThe aim of this study was to evaluate the antiseptic efficacy of rotary instrumentation associated with calcium hydroxide-based pastes prepared with different vehicles and antiseptics. Chronic periapical lesions were experimentally induced in 72 premolar root canals of four dogs. Under controlled asepsis, after initial microbiological sampling (A1), the root canals were instrumented using the ProFile system in conjunction with 5.25% sodium hypochlorite and the intracanal medication was placed. Four experimental groups were formed according to the pastes used: group 1- Calen (n=18), group 2- Calen+CPMC (n=20), group 3- Ca(OH)2 p.a.+ anaesthetic solution (n=16) and group 4- Ca(OH)2 p.a.+ 2% chlorhexidine digluconate (n=18). After 21 days, the pastes were removed; the canals were emptied and 96 hours later a second microbiological sample was obtained (A2). The incidence of positive microbiological cultures and the number of cfus in stages A1 and A2 were compared statistically by the Wilcoxon test while the influence of the different treatments in intracanal infection was evaluated by Kruskal-Wallis test at 5% significance level (p<0.05). Large numbers of strict and facultative anaerobes, and viridans group streptococci were found in 100% of root canals of A1 samples. Among A2 samples, all treatments showed significant reduction of cfus and positive cultures (p<0.05), but only groups 3 and 4 showed 100% of root canals free of microorganisms. Rotary instrumentation plus NaOCl 5.25% associated with intracanal medication produced a drastic reduction or elimination of intracanal microbiota, whose performance was not influenced by the nature of the vehicle or the antiseptic added to the Ca(OH)2 p.a.en
dc.description.affiliationDiscipline of Endodontics Department of Dentistry Federal University of Vales do Jequitinhonha e Mucuri, UFVJM, Diamantina, MG
dc.description.affiliationDepartment of Endodontics Araraquara Dental School UNESP, Araraquara, SP
dc.description.affiliationDepartment of Pediatric Clinic, Preventive and Social Dentistry Ribeirão Preto Dental School USP, Ribeirão Preto, SP
dc.description.affiliationDiscipline of Microbiology School of Pharmaceutical Sciences of Ribeirão Preto USP, Ribeirão Preto, SP
dc.description.affiliationUniversidade Federal Dos Vales do Jequitinhonha e Mucuri, Rua da Glória, 187, Diamantina-MG, Cep.: 39.100.000
dc.description.affiliationUnespDepartment of Endodontics Araraquara Dental School UNESP, Araraquara, SP
dc.format.extent172-177
dc.identifierhttp://dx.doi.org/10.1590/S1678-77572006000300005
dc.identifier.citationJournal of Applied Oral Science, v. 14, n. 3, p. 172-177, 2006.
dc.identifier.doi10.1590/S1678-77572006000300005
dc.identifier.file2-s2.0-33747822049.pdf
dc.identifier.issn1678-7757
dc.identifier.issn1678-7765
dc.identifier.lattes2665211298584751
dc.identifier.scieloS1678-77572006000300005
dc.identifier.scopus2-s2.0-33747822049
dc.identifier.urihttp://hdl.handle.net/11449/69049
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.subjectCalcium hydroxide
dc.subjectMicroorganisms
dc.subjectPeriapical lesions
dc.subjectRoot canal therapy
dc.titleElimination of intracanal infection in dogs' teeth with induced periapical lesions after rotary instrumentation: Influence of different calcium hydroxide pastesen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/jaos/iaboutj.htm
unesp.author.lattes2665211298584751
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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Artigos - Odontologia Restauradora - FOAR