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Article Number - 7E1715F59501


Vol.7(2), pp. 11-17 , August 2016
DOI: 10.5897/JCEMS2015.0231
ISSN: 2141-6605



Full Length Research Paper

Development of leucite glass-ceramics for non-metallic dental product



Siti Mazatul Azwa Saiyed Mohd Nurddin
  • Siti Mazatul Azwa Saiyed Mohd Nurddin
  • Mineral and Geosciences Department Malaysia, Mineral Research Centre, Jalan Sultan Azlan Shah, 31400 Ipoh, Perak, Malaysia.
  • Google Scholar
Malek Selamat
  • Malek Selamat
  • Mineral and Geosciences Department Malaysia, Mineral Research Centre, Jalan Sultan Azlan Shah, 31400 Ipoh, Perak, Malaysia.
  • Google Scholar







 Received: 11 August 2015  Accepted: 04 November 2015  Published: 31 August 2016

Copyright © 2016 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


The objective of this study was to determine the potential of using Malaysian silica sand as the SiO2 raw material in producing leucite (SiO2-Al2O3-K2O) glass-ceramics. The crystallization, mechanical and biological properties of the glass-ceramic was studied. A starting glass composition in the system of leucite was melted in an electric furnace, quenched in deionized water and dry milled to obtain glass powder. The glass powders were ball milled and compressed to form 13 mm x 10 mm pellet. The thermal analysis, phase composition, microstructure, flexural strength and cytotoxicity of the glass-ceramics were investigated. Thermal analysis showed that crystallization of the glass occurred at the range of 650 and 850°C. The pellets were sintered at 650, 700, 750, 800 and 850°C for 1.0 h. The effect of sintering time on crystallization was also studied through five different soaking time at 3.0, 6.0, 9.0 and 12.0 h. The crystallization depends on the temperature and time of sintering. At 700°C, leucite began to form with minor phase of sanidine. The peak intensity increased as the temperature was increased up to 850°C. For sintering time 3.0 to 12.0 h, the peak intensity of leucite and sanidine were increased but microcline was formed as a minor phase. The microstructure analysis showed that the dendritic leucite and prismatic sanidine. The leucite glass-ceramics appeared translucent. The flexural strength values (80 to 175 MPa) were comparable with commercial product (112 to 140 MPa). The in vitro bioactivity results prove that the leucite glass-ceramics sample can be classified as a bio-inert and non-cytotoxity material and can be used for restorative dental products.

 

Key words: Silica, glass-ceramics, leucite, sanidine, dental, bioactivity, bio-inert, cyctotoxicity.

Ahmad N (2006). Production of high purity silica from Malaysian silica sand, Phd. Thesis, University of Leeds, UK.

 

Cattel MJ, Knowles JC, Clarke RL (2005). The crystallization of an aluminosilicate glass in the K2O-Al2O3-SiO2 system, J. Dent. Mater. 21:811-822.
Crossref

 
 

Rheinberger V (1997). Perspectives in dental ceramics. Glastech Ber. Glass Sci. Technol. 70C:339-400.

 
 

Apel E, Hoen CV, Rheinberger V, Holand W (2007). Influence of ZrO2 on the crystallization and properties of lithium disilicate glass-ceramics derived from a multi-component system. J. Eur. Ceramic Soc. 27:1571-1577.
Crossref

 
 

Lee HH, Kon M, Asaoka K (1997). Influence of modification of Na2O in a glass matrix on the strength of leucite-containing poercelains. Dent. Mater. 16:134-143.
Crossref

 
 

Sooksaen P, Boonmee J, Witpathomwong C, Likhitlert S (2010). Effect of K2O/SiO2 ratio on crystallization of leucite in silicate based-glasses, J. Metals Mater. Minerals 20(1):11-19.

 
 

Chen X, CT, Wilson R, Hill R, Cattell M (2010). Crystallization of high-strength fine-sized leucite glass-ceramics. J. Dent. Res. 89:1510-1516.
Crossref

 
 

Holand W, Beall GH (2002). Glass-ceramic technology. American Ceramic Society, Ohio, USA.

 
 

El-Meliegy EM, Noort R (2011).Glasses and glass-ceramics for medical applications, Springer.

 

 


APA Nurddin, S. M. A. S. M., & Selamat, M. (2016). Development of leucite glass-ceramics for non-metallic dental product. Journal of Chemical Engineering and Materials Science, 7(2), 11-17.
Chicago Siti Mazatul Azwa Saiyed Mohd Nurddin and Malek Selamat. "Development of leucite glass-ceramics for non-metallic dental product." Journal of Chemical Engineering and Materials Science 7, no. 2 (2016): 11-17.
MLA Siti Mazatul Azwa Saiyed Mohd Nurddin and Malek Selamat. "Development of leucite glass-ceramics for non-metallic dental product." Journal of Chemical Engineering and Materials Science 7.2 (2016): 11-17.
   
DOI 10.5897/JCEMS2015.0231
URL http://academicjournals.org/journal/JCEMS/article-abstract/7E1715F59501

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