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In vitro microhardness of glass ionomer cements

Silva, R.C. / Zuanon, A.C.C. / Esberard, R.R. / Candido, M.S.M. / Machado, J.S.

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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In vitro microhardness of glass ionomer cements

Silva, R.C. / Zuanon, A.C.C. / Esberard, R.R. / Candido, M.S.M. / Machado, J.S.

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.

In vitro microhardness of glass ionomer cements

Silva, R.C. / Zuanon, A.C.C. / Esberard, R.R. / Candido, M.S.M. / Machado, J.S.

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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Title:

In vitro microhardness of glass ionomer cements

Additional title:

In vitro-Untersuchung der altersabhängigen Mikrohärte von dentalen Glasionomerzementen

Contributors:

Silva, R.C. (author) / Zuanon, A.C.C. (author) / Esberard, R.R. (author) / Candido, M.S.M. (author) / Machado, J.S. (author)

Published in:

Journal of Materials Science - Materials in Medicine ; 18 ; 139-142

Publication date:

2007

Size:

4 Seiten, 2 Bilder, 2 Tabellen, 20 Quellen

ISSN:

DOI:

https://doi.org/10.1007/s10856-006-0672-y

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Vickers-Härte , Mikrohärte , Dentalwerkstoff , Kunstharz , statistisches Verfahren , In-Vitro-Untersuchung

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