1. Repositório Institucional da Universidade Federal de Sergipe - RI/UFS
  2. PRODUÇÃO CIENTÍFICA
  3. DOD - Departamento de Odontologia (São Cristóvão)
  4. DOD - Artigos de periódicos
Use este identificador para citar ou linkar para este item: https://ri.ufs.br/jspui/handle/riufs/24349
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dc.contributor.authorDelbem, Alberto Carlos Botazzo-
dc.contributor.authorSouza, José Antonio Santos-
dc.contributor.authorZaze, Ana Carolina Soares Fraga-
dc.contributor.authorTakeshita, Eliana Mitsue-
dc.contributor.authorSassaki, Kikue Takebayashi-
dc.contributor.authorMoraes, João Carlos Silos-
dc.date.accessioned2026-01-22T18:34:34Z-
dc.date.available2026-01-22T18:34:34Z-
dc.date.issued2014-
dc.identifier.citationDELBEM, A. C. B. et al. Effect of trimetaphosphate and fluoride association on hydroxyapatite dissolution and precipitation in vitro. Brazilian Dental Journal, Ribeirão Preto, v. 25, n. 6, p. 479-484, 2014. Disponível em: https://www.scielo.br/j/bdj/a/x5NwPgpMsmKBcpDLFwfkWYS/?lang=en. Acesso em: 22 jan. 2026.pt_BR
dc.identifier.issn1806-4760-
dc.identifier.urihttps://ri.ufs.br/jspui/handle/riufs/24349-
dc.languageengpt_BR
dc.publisherFundação Odontológica de Ribeirão Pretopt_BR
dc.relation.ispartofBrazilian Dental Journalpt_BR
dc.subjectHydroxyapatiteeng
dc.subjectPolyphosphateseng
dc.subjectDemineralizationeng
dc.subjectSolubilityeng
dc.subjectFluorideeng
dc.titleEffect of trimetaphosphate and fluoride association on hydroxyapatite dissolution and precipitation in vitropt_BR
dc.typeArtigopt_BR
dc.identifier.licenseCreative Commons Atribuição-NãoComercial 3.0 Não Adaptada (CC BY-NC 3.0)pt_BR
dc.description.resumoThe present study analyzed the action of sodium trimetaphosphate (TMP) and/or fluoride on hydroxyapatite. Hydroxyapatite powder was suspended in different solutions: deionized water, 500 µg F/mL, 1,100 µg F/mL, 1%TMP, 3%TMP, 500 µg F/mL plus 1%TMP and 500 µg F/mL plus 3%TMP. The pH value of the solutions was reduced to 4.0 and after 30 min, raised to 7.0 (three times). After pH-cycling, the samples were analyzed by X-ray diffraction and infrared spectroscopy. The concentrations of calcium fluoride, fluoride, calcium and phosphorus were also determined. Adding 1% or 3% TMP to the solution containing 500 µg F/mL produced a higher quantity of calcium fluoride compared to samples prepared in a 1,100 µg F/mL solution. Regarding the calcium concentration, samples prepared in solutions of 1,100 µg F/mL and 500 µg F/mL plus TMP were statistically similar and showed higher values. Using solutions of 1,100 µg F/mL and 500 µg F/mL plus TMP resulted in a calcium/phosphorus ratio close to that of hydroxyapatite. It is concluded that the association of TMP and fluoride favored the precipitation of a more stable hydroxyapatite.pt_BR
dc.description.localRibeirão Pretopt_BR
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