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dc.contributor.authorCarvalho, CAT-
dc.contributor.authorValera, M. C.-
dc.contributor.authorGown-Soares, S.-
dc.contributor.authorEduardo, C. D.-
dc.identifier.citationJournal of Clinical Laser Medicine & Surgery. New Rochelle: Mary Ann Liebert Inc., v. 20, n. 4, p. 215-219, 2002.-
dc.description.abstractObjective: the ability of the laser irradiation to promote the cleaning and disinfection of the radicular canal system has become this type of treatment in a viable and real alternative in endodontics. The purpose of this study was to evaluate the apical marginal sealing of root canal fillings after the irradiation with the laser of Nd:YAG or of Er:YAG. Materials and Methods: Forty-two human, extracted single-rooted teeth had their crowns sectioned and the root canals prepared with a no. 70 K-file. Then, they were dried and divided into three groups according to canal wall treatment: group 1: the canals were filled with EDTA for 3 min, followed by irrigation with 1% sodium hypochlorite solution; group 2: the canal walls were irradiated with Nd:YAG laser; and group 3: the canal walls were irradiated with Er:YAG laser. Afterwards, the root canals were obturated by the lateral condensation technique. The roots were externally waterproof, except in the apical foramen and immerged in 2% methylene blue aqueous solution during 48 hours. Results: the results showed that the largest infiltrations happened in the group 3-Er:YAG (7.3 mm), proceeded by the group 1-EDTA (1.6 mm) and by the group 2-Nd:YAG (0.6 mm). The group Er:YAG differed statistically of the others (p < 0.05). Conclusion: It was concluded that the Er:YAG laser intracanal irradiation previously to the root canal filling must be used with caution until future research is define the best parameters for it's use.en
dc.publisherMary Ann Liebert, Inc.-
dc.sourceWeb of Science-
dc.titleEffects of Nd : YAG and Er : YAG lasers on the sealing of root canal fillingsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationUNESP, Sch Dent, Dept Restorat Dent, Fac Odontol, BR-12201970 Sao Jose Dos Campos, SP, Brazil-
dc.description.affiliationUNESP, Paulista State Univ, Sch Dent, Sao Jose Dos Campos, SP, Brazil-
dc.description.affiliationUniv São Paulo, FOUSP, IPEN CNEN SP, BR-09500900 São Paulo, Brazil-
dc.description.affiliationUniv São Paulo, Sch Dent, Dept Dent, São Paulo, Brazil-
dc.description.affiliationUnespUNESP, Sch Dent, Dept Restorat Dent, Fac Odontol, BR-12201970 Sao Jose Dos Campos, SP, Brazil-
dc.description.affiliationUnespUNESP, Paulista State Univ, Sch Dent, Sao Jose Dos Campos, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Clinical Laser Medicine & Surgery-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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