In vitro microhardness of glass ionomer cements
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Data
2007-01-01
Autores
Silva, R. C.
Zuanon, Angela Cristina Cilense [UNESP]
Esberard, R. R.
Candido, M. S. M.
Machado, J. S.
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Springer
Resumo
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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Journal of Materials Science-materials In Medicine. Dordrecht: Springer, v. 18, n. 1, p. 139-142, 2007.