Quantitative analysis of mineral content in enamel using laboratory microtomography and microhardness analysis. - art. no. 631823

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dc.contributor.authorVieira, A. E. M.
dc.contributor.authorDelbem, Alberto Carlos Botazzo [UNESP]
dc.contributor.authorSassaki, K. T.
dc.contributor.authorCannon, M. L.
dc.contributor.authorStock, S. R.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:23:16Z
dc.date.available2014-05-20T15:23:16Z
dc.date.issued2006-01-01
dc.description.abstractThis study evaluates laboratory microtomography and microhardness analysis for quantifying the mineral content of bovine enamel. Fifty enamel blocks were submitted individually for 5 days to a pH-cycling model at 37 degrees C and remained in the remineralizing solution for 2 days. The blocks were treated twice daily for 1 min with NaF dentifrices (Placebo, 275, 550, 1,100 mu g F/g and Crest (R)) diluted in deionized water. Surface microhardness changes (%SMH) and mineral loss (Delta Z) were then calculated. Laboratory microtomography was also used to measure total mineral lost (LMM). Pearson's correlation (p < 0.05) was used to determine the relationship between different methods of analysis and dose-response between treatments. Dentifrice fluoride concentration and %SMH and Delta Z were correlated (p < 0.05). There was a positive relationship (p < 0.05) when comparing LMM vs. Delta Z; a negative relationship (p < 0.05) was found for %SMH vs. LMM and %SMH vs. Delta Z. Therefore, both mineral quantification techniques provide adequate precision for studying the bovine enamel-pH-cycling demineralization/remineralization model.en
dc.description.affiliationSão Paulo State Univ, São Paulo, Brazil
dc.description.affiliationUnespSão Paulo State Univ, São Paulo, Brazil
dc.format.extent31823-31823
dc.identifierhttp://dx.doi.org/10.1117/12.681328
dc.identifier.citationDevelopments In X-ray Tomography V. Bellingham: Spie-int Soc Optical Engineering, v. 6318, p. 31823-31823, 2006.
dc.identifier.doi10.1117/12.681328
dc.identifier.issn0277-786X
dc.identifier.lattes7239471016654133
dc.identifier.orcid0000-0002-8159-4853
dc.identifier.urihttp://hdl.handle.net/11449/34087
dc.identifier.wosWOS:000241974100067
dc.language.isoeng
dc.publisherSpie - Int Soc Optical Engineering
dc.relation.ispartofDevelopments In X-ray Tomography V
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectenamelpt
dc.subjectlaboratory microtomographypt
dc.subjectmicrohardnesspt
dc.titleQuantitative analysis of mineral content in enamel using laboratory microtomography and microhardness analysis. - art. no. 631823en
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://proceedings.spiedigitallibrary.org/ss/TermsOfUse.aspx
dcterms.rightsHolderSpie-int Soc Optical Engineering
unesp.author.lattes7239471016654133
unesp.author.lattes0421571920582994[2]
unesp.author.orcid0000-0002-8159-4853[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araçatubapt

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Artigos - Odontologia Infantil e Social - FOA