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dc.contributor.authorNeto, H. G.-
dc.contributor.authorCandido, MSM-
dc.contributor.authorJunior, ALR-
dc.contributor.authorGarcia, Patrícia Petromilli Nordi Sasso-
dc.identifier.citationJournal of Oral Rehabilitation. Oxford: Blackwell Publishing Ltd, v. 30, n. 5, p. 556-558, 2003.-
dc.description.abstractThe present study was designed to analyse the average depth of the microporosity of a nickel-chromium (Ni-Cr) system alloy (Verabond II). The metal surface was subject to one of the following surface treatment: (i) Electrolytic etching in nitric acid 0.5 N at a current density of 250 mA cm(-2) ; (ii) chemical etching with CG-Etch etchant; and (iii) Sandblasting with alumina particles 50 mum. Half of the samples were polished before the surface treatments. The depth of porosity was measured through photomicrographs (500x) with a profilometer, and the data were statistically analysed using an analysis of variance (anova) followed by Tukey's test. The conclusions were (i) Differents surface treatment of the Ni-Cr system alloy lead to different depths of microporosity; (ii) the greatest depth of porosity was observed in non-polished alloy; (iii) the greatest and identical depth of microporosity was observed following electrolytic etching and chemical etching; (iv) the least and identical depth of microporosity was observed with chemical etching and sandblasting with alumina particles 50 mum, and (v) Chemical etching showed an intermediary depth.en
dc.publisherBlackwell Publishing-
dc.sourceWeb of Science-
dc.subjectresin bonded bridgept
dc.subjectelectrolytic etchingpt
dc.subjectchemical etchingpt
dc.titleAnalysis of depth of the microporosity in a nickel-chromium system alloy: effects of electrolytic, chemical and sandblasting etchingen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, Sch Dent Araraquara, Dept Social Dent, Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Sch Dent Araraquara, Dept Social Dent, Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Oral Rehabilitation-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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