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dc.creatorCarlo, Hugo Lemes-
dc.creatorFonseca, Rodrigo Borges-
dc.creatorGonçalves, Luciano de Souza-
dc.creatorCorrer Sobrinho, Lourenco-
dc.creatorSoares, Carlos José-
dc.creatorSinhoreti, Mário Alexandre Coelho-
dc.identifier.citationCARLO, Hugo Lemes et al. Analysis of filler particle levels and sizes in dental alginates. Materials Research, São Carlos, v. 13, n. 2, p. 261-264, Apr./June 2010.pt_BR
dc.description.abstractThe aim of this study was to determine the inorganic filler fractions and sizes of commercially alginates. The inorganic particles volumetric fractions of five alginates – Jeltrate(J), Jeltrate Plus(JP), Jeltrate Chromatic Ortho(JC), Hydrogum(H) and Ezact Krom(E) were accessed by weighing a previously determined mass of each material in water before and after burning samples at 450 °C for 3 hours. Unsettled materials were soaked in acetone and chloroform and sputter-coated with gold for SEM evaluation of fillers’ morphology and size. The results for the volumetric inorganic particle content were (%): J – 48.33, JP – 48.33, JC – 33.79, H – 37.55 and E – 40.55. The fillers presented a circular appearance with helical form and various perforations. Hydrogum fillers looked like cylindrical, perforated sticks. The mean values for fillers size were (μm): J – 12.91, JP – 13.67, JC – 13.44, E – 14.59 and H – 9 (diameter), 8.81 (length). The results of this study revealed differences in filler characteristics that could lead to different results when testing mechanical properties.pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectDental impression materialspt_BR
dc.subjectSscanning electron microscopypt_BR
dc.titleAnalysis of filler particle levels and sizes in dental alginatespt_BR
dc.publisher.departmentFaculdade de Odontologia - FO (RG)pt_BR
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