Bioactivity of Glass and Glass-Seramic in the System SiO2–CaO–Al2O3–P2O5–Na2 O–MgO–CaF2
In this study, bioactivity of glass and glass-ceramic in the system SiO2–CaO–Al2O3–P2O5–Na2O–MgO–CaF2 was investigated. The bioactivity of the resultant samples was analyzed by immersion study in simulated body fluid (SBF). Scanning electron microscopy (SEM-EDS), thin film X-ray diffraction (TF-XRD), ultraviolet spectroscopy (UV) and inductively coupled plasma (ICP) techniques were used to monitor changes in the glass and glass-ceramic surfaces and SBF composition. The results revealed that a hydroxyapatite (HA) layer was formed on the glass and glass-ceramic surfaces after 7 days and 1 day immersion, respectively. In addition, Al2O3 content of the bioactive glass and glass-ceramic improved the properties of the samples and did not cause a negative effect on the bioactivity of the samples.
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Document Type: Research Article
Publication date: November 1, 2013
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