Wear of MgO-CaO-<mml:math id="E1" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mtext>SiO</mml:mtext><mml:mtext>2</mml:mtext></mml:msub><mml:msub><mml:mtext>-P</mml:mtext><mml:mtext>2</mml:mtext></mml:msub><mml:msub><mml:mtext>O</mml:mtext><mml:mtext>5</mml:mtext></mml:msub></mml:math>-F-Based Glass Ceramics Compared to Selected Dental Ceramics

Park, Jongee; Pekkan, Gürel; Ozturk, Abdullah

doi:https://doi.org/10.1155/2007/69897

Advances in Materials Science and Engineering

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Volume 2007 | Article ID 069897 | https://doi.org/10.1155/2007/69897

Wear of MgO-CaO-SiO2-P2O5-F-Based Glass Ceramics Compared to Selected Dental Ceramics

Jongee Park,¹Gürel Pekkan,²and Abdullah Ozturk¹

Academic Editor: Chun-Hway Hsueh

Received26 Aug 2007

Accepted28 Nov 2007

Published17 Dec 2007

Abstract

Wear of a glass-ceramic produced through controlled crystallization of a glass in the MgO-CaO-SiO2-P2O5-F system has been evaluated and compared to various commercial dental ceramics including IPS Empress 2, Cergo Pressable Ceramic, Cerco Ceram, and Super porcelain EX-3. Wear tests were performed in accord with the ASTM G99 for wear testing with a pin-on-disk apparatus. The friction coefficient and specific wear rate of the materials investigated were determined at a load of 10 N and at ambient laboratory conditions. Microhardness of the materials was also measured to elucidate the appropriateness of these materials for dental applications.

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Copyright © 2007 Jongee Park et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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