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Hardness of model dental composites - The effect of filler volume fraction and silanation

Lookup NU author(s): Professor John McCabe, Dr Robert Wassell

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Abstract

To test the hypothesis that hardness measurements of dental composites could be used to monitor the status of the resin-filler interface and to determine the efficacy of any particle silanation process, ten model composites of varying volume fraction, silanated or unsilanated, were studied. Vickers' hardness of the composites were determined at 24 h using loads of 50, 100, 200 and 300 g. Composites containing silanated fillers were significantly harder than materials containing unsilanated fillers. This suggests that the hardness-load profile could be used to monitor the status of the resin-filler interface.

Publication metadata

Author(s): McCabe JF, Wassell RW

Publication type: Article

Publication status: Published

Journal: Journal of Materials Science: Materials in Medicine

Year: 1999

Volume: 10

Issue: 5

Pages: 291-294

Print publication date: 01/05/1999

ISSN (print): 0957-4530

ISSN (electronic): 1573-4838

Publisher: Springer

URL: http://dx.doi.org/10.1023/A:1008957513531

DOI: 10.1023/A:1008957513531

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