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Cytotoxicity of modified glass ionomer cement on odontoblast cells
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- Chen, Song (author)
- Uppsala universitet,Tillämpad materialvetenskap,materials in medicine
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- Mestres, Gemma (author)
- Uppsala universitet,Tillämpad materialvetenskap,materials in medicine
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- Lan, Weihua (author)
- Uppsala universitet,Tillämpad materialvetenskap
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- (creator_code:org_t)
- 2016-05-24
- 2016
- English.
- In: Journal of materials science. Materials in medicine. - : Springer Science and Business Media LLC. - 0957-4530 .- 1573-4838. ; 27:7
- Journal article (peer-reviewed)
Abstract
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- Recently a modified glass ionomer cement (GIC) with enhanced bioactivity due to the incorporation of wollastonite or mineral trioxide aggregate (MTA) has been reported. The aim of this study was to evaluate the cytotoxic effect of the modified GIC on odontoblast-like cells. The cytotoxicity of a conventional GIC, wollastonite modified GIC (W-mGIC), MTA modified GIC (M-mGIC) and MTA cement has been evaluated using cement extracts, a culture media modified by the cement. Ion concentration and pH of each material in the culture media were measured and correlated to the results of the cytotoxicity study. Among the four groups, conventional GIC showed the most cytotoxicity effect, followed by W-mGIC and M-mGIC. MTA showed the least toxic effect. GIC showed the lowest pH (6.36) while MTA showed the highest (8.62). In terms of ion concentration, MTA showed the largest Ca2+ concentration (467.3 mg/L) while GIC showed the highest concentration of Si4+ (19.9 mg/L), Al3+ (7.2 mg/L) and Sr2+ (100.3 mg/L). Concentration of F- was under the detection limit (0.02 mg/L) for all samples. However the concentrations of these ions are considered too low to be toxic. Our study showed that the cytotoxicity of conventional GIC can be moderated by incorporating calcium silicate based ceramics. The modified GIC might be promising as novel dental restorative cements.
Subject headings
- NATURVETENSKAP -- Biologi -- Cellbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Cell Biology (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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- Mestres, Gemma
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- Xia, Wei
- Engqvist, Håkan
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