Abstract
This study evaluated the surface microhardness of four glass ionomer cements and a composite resin (Fuji IX, Ketac Molar, Vidrion R, Vitromolar and Z 250). Ten specimens of each glass ionomer cement with 8.0 mm diameter and 5.0 mm high dimensions were made and Vicker’s microhardness measurements were taken at 1 day and 1 week after initial setting reaction. The results were analyzed using Student’s T test and Tukey test (p < 0.05) and demonstrated that the values of microhardness increased after 1 week, with the exception of Fuji IX. Resin composite Z250 presented the greatest values for microhardness.
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Silva, R.C., Zuanon, A.C.C., Esberard, R.R. et al. In vitro microhardness of glass ionomer cements. J Mater Sci: Mater Med 18, 139–142 (2007). https://doi.org/10.1007/s10856-006-0672-y
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DOI: https://doi.org/10.1007/s10856-006-0672-y