Isothermal dimensional changes of some dental materials

The isothermal dimensional changes of four types of dental amalgams during the setting and for the next 24 h after condensation have been studied by means of a Heracus TA 500 thermal analysis system. The four types of dental amalgams were the lathe-cut conventional low-Cu amalgam (Amalcap), the sphe...

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Bibliographic Details
Published in:Journal of thermal analysis 1989-09, Vol.35 (5), p.1351-1357
Main Authors: El-Hadary, M. E., Kamar, A., El-Kady, A., Kandil, S. H., El-Gamal, M. A., Morsi, S. E.
Format: Article
Language:English
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Summary:The isothermal dimensional changes of four types of dental amalgams during the setting and for the next 24 h after condensation have been studied by means of a Heracus TA 500 thermal analysis system. The four types of dental amalgams were the lathe-cut conventional low-Cu amalgam (Amalcap), the spherical conventional low-Cu amalgam (Spheralloy), the ternary unicomposition high-Cu amalgam (Sybralloy) and the admixed high-Cu (Dispersalloy) amalgam. The dimensional changes of the four types of amalgams are explained on the basis of their particle sizes and shapes and their constitutions. Graphs. 13 ref.--AA
ISSN:0368-4466
1572-8943
DOI:10.1007/BF01912911