Modifying a dental ceramic by bioactive glass via the sol–gel route: Characterization and bioactivity investigation

The modification of a widely used dental ceramic by a bioactive glass via sol–gel method resulted in the fabrication of novel dental ceramic composites with bioactive behavior. The presence of leucite (Lt), apatite (Ap), various calcium silicate phases (CS) and a glassy aluminosilicate matrix were d...

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Bibliographic Details
Published in:Materials chemistry and physics 2011, Vol.125 (1), p.309-313
Main Authors: Goudouri, O.M., Kontonasaki, E., Theocharidou, A., Papadopoulou, L., Kantiranis, N., Chatzistavrou, X., Koidis, P., Paraskevopoulos, K.M.
Format: Article
Language:English
Subjects:
Apatite
Biochemistry
Calcium silicates
Ceramics
Composite Materials
Delay
Dental materials
Glass
Glasses
Phases
Sol gel process
Sol–gel growth
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Summary:The modification of a widely used dental ceramic by a bioactive glass via sol–gel method resulted in the fabrication of novel dental ceramic composites with bioactive behavior. The presence of leucite (Lt), apatite (Ap), various calcium silicate phases (CS) and a glassy aluminosilicate matrix were detected, while after sintering the predominance of wollastonite (W) among the other calcium silicate phases was observed, along with further crystallization of apatite. Concerning the bioactivity, the onset of the apatite formation was directly dependent on the bioactive glass amount, while a delay of the sintered specimens compared to the raw powders was also observed.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2010.09.054