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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/16652
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dc.contributor.authorLeonardo, M. R.-
dc.contributor.authorGuillen-Carias, M. G.-
dc.contributor.authorPecora, J. D.-
dc.contributor.authorIto, I. Y.-
dc.contributor.authorSilva, LAB-
dc.date.accessioned2014-05-20T13:46:56Z-
dc.date.available2014-05-20T13:46:56Z-
dc.date.issued2005-06-01-
dc.identifierhttp://dx.doi.org/10.1089/pho.2005.23.295-
dc.identifier.citationPhotomedicine and Laser Surgery. New Rochelle: Mary Ann Liebert Inc., v. 23, n. 3, p. 295-299, 2005.-
dc.identifier.issn1549-5418-
dc.identifier.urihttp://hdl.handle.net/11449/16652-
dc.description.abstractObjective: Our goal in this study was to evaluate the antimicrobial effect of Er:YAG laser applied after biomechanical preparation of the root canals of dog's teeth with apical periodontitis. Background Data: Various in vitro studies have reported effective bacterial reduction in infected root canals using Er:YAG laser. However, there is no in vivo research to support these results. Methods: Forty root canals of dogs' premolar teeth with pulp necrosis and chronic periapical lesions were used. An initial microbiological sample was taken, and after biomechanical preparation was carried out, a second microbiological sample was taken. The teeth were divided into two groups: Group I-biomechanical preparation was taken of root canals without Er:YAG laser application; Group II-biomechanical preparation was taken of root canals with Er:YAG laser application using 140-mj input, 63-mJ output/15 Hz. After coronal sealing, the root canals were left empty for 7 days at which time a third microbiological sample was taken. The collected material was removed from the root canal with a #40 K file and placed in transport media. It was serially diluted and seeded on culture dishes selective for anaerobes, aerobes, and total streptococci. Colony-forming units per milliliter (CFU/mL) were counted. Results: Groups I and II showed an increase of CFU/mL for all microorganisms 7 days after treatment, being statistically significant for anaerobes in Group I and for anaerobes and total streptococci in Group II. When comparing CFU/mL of Groups I and II, there was a statistically significant increase after 7 d for total streptococci in Group II. Conclusion: Er:YAG laser applied after biomechanical preparation did not reduce microorganisms in the root canal system.en
dc.format.extent295-299-
dc.language.isoeng-
dc.publisherMary Ann Liebert, Inc.-
dc.sourceWeb of Science-
dc.titleEr : YAG laser: Antimicrobial effects in the root canals of dogs' teeth with pulp necrosis and chronic periapical lesionsen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationUNESP, Fac Odontol Araraquara, Dept Odontol Restauradora, BR-14801903 Araraquara, SP, Brazil-
dc.description.affiliationUniv São Paulo, Sch Pharmaceut Sci, Dept Clin Toxicol & Bromatol Anal, Ribeirao Preto, SP, Brazil-
dc.description.affiliationUNESP, Sch Dent & Araraquara, Dept Endodont, Araraquara, SP, Brazil-
dc.description.affiliationUniv São Paulo, Sch Dent Ribeirao Preto, Dept Pediat Prevent & Social Dent, Ribeirao Preto, SP, Brazil-
dc.description.affiliationUNESP, Sch Dent Ribeirao Preto, Dept Odontol Restauradora, BR-14801903 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Fac Odontol Araraquara, Dept Odontol Restauradora, BR-14801903 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Sch Dent & Araraquara, Dept Endodont, Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Sch Dent Ribeirao Preto, Dept Odontol Restauradora, BR-14801903 Araraquara, SP, Brazil-
dc.identifier.doi10.1089/pho.2005.23.295-
dc.identifier.wosWOS:000230048300010-
dc.rights.accessRightsAcesso restrito-
dc.identifier.fileWOS000230048300010.pdf-
dc.relation.ispartofPhotomedicine and Laser Surgery-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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