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

Jongee Park | Zendy; Gürel Pekkan | Zendy; Abdullah Öztürk | Zendy

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

Author(s) -

Jongee Park,

Gürel Pekkan,

Abdullah Öztürk

Publication year - 2007

Publication title -

research letters in materials science

Language(s) - English

Resource type - Journals

eISSN - 1687-6830

pISSN - 1687-6822

DOI - 10.1155/2007/69897

Subject(s) - materials science , ceramic , dental ceramics , crystallization , indentation hardness , mineralogy , composite material , microstructure , chemistry , cubic zirconia , organic chemistry

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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