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dc.contributor.authorPelino, JEP-
dc.contributor.authorMello, J. B.-
dc.contributor.authorEduardo, C. P.-
dc.contributor.authorJorge, AOC-
dc.identifier.citationJournal of Clinical Laser Medicine & Surgery. Larchmont: Mary Ann Liebert Inc. Publ, v. 17, n. 4, p. 171-177, 1999.-
dc.description.abstractObjective: the Nd:YAG laser irradiation of dental enamel was evaluated in enamel demineralization experiments in a Streptococcus mutans culture media. Summary Background Data: Previous studies had shown that a continuous wave Nd:YAG laser at an energy of approximately 67 mJ may induce an increased acid resistance in human dental enamel when exposed to severe demineralization conditions. Methods: Enamel windows of 3 x 4 cm in the buccal surface were irradiated with a continuous wave Nd:YAG laser at a wavelength of 1,064 Ecm using energy densities of from 83.75 to 187.50 J/cm(2), Enamel windows of 3 x 4 cm on the lingual surface served as control (without the laser irradiation). The enamel windows were then exposed to a Streptococcus mutans culture media at a temperature of 37 degrees C for 15 and 21 days. The laser effects and demineralization were examined both by optical microscopy and scanning electron microscopy (SEM), Results: A comparison between the lased and the unlased windows of enamel showed fusion and recrystalization of the enamel and increased acid-resistance in all groups irradiated with the Nd:YAG laser, on the other hand, the 3 x 4 delimited enamel surfaces from the control group (not irradiated with the Nd:YAG laser) showed 100% deminerization, Conclusions: These findings are consistent with the finding that laser irradiation of dental results in significant reduction of the effective solubility of enamel mineral.en
dc.publisherMary Ann Liebert, Inc.-
dc.sourceWeb of Science-
dc.titleIn vitro study of the Nd : YAG laser effect on human dental enamel: Optical and scanning electron microscope analysisen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationUNESP, Dept Restorat Dent, Sao Jose Dos Campos, Brazil-
dc.description.affiliationUNIVAP, ID&P, Dept Microbiol, Sao Jose Dos Campos, Brazil-
dc.description.affiliationUNITAU, Dept Microbiol, Taubate, SP, Brazil-
dc.description.affiliationUSP, Dept Restorat Dent, BR-09500900 São Paulo, Brazil-
dc.description.affiliationUnespUNESP, Dept Restorat Dent, Sao Jose Dos Campos, 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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