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Cytotoxic Effects of Glass Ionomer Cements on Human Dental Pulp Stem Cells Correlate with Fluoride Release

[ Vol. 8 , Issue. 1 ]


Tatjana Kanjevac, Marija Milovanovic, Vladislav Volarevic, Miodrag L. Lukic, Nebojsa Arsenijevic, Dejan Markovic, Nebojsa Zdravkovic, Zivoslav Tesic and Aleksandra Lukic   Pages 40 - 45 ( 6 )


Objectives: Glass ionomer cements (GICs) are commonly used as restorative materials. Responses to GICs differ among cell types and it is therefore of importance to thoroughly investigate the influence of these restorative materials on pulp stem cells that are potential source for dental tissue regeneration. Eight biomaterials were tested: Fuji I, Fuji II, Fuji VIII, Fuji IX, Fuji Plus, Fuji Triage, Vitrebond and Composit. We compared their cytotoxic activity on human dental pulp stem cells (DPSC) and correlated this activity with the content of Fluoride, Aluminium and Strontium ions in their eluates. Methods: Elution samples of biomaterials were prepared in sterile tissue culture medium and the medium was tested for toxicity by an assay of cell survival/proliferation (MTT test) and apoptosis (Annexin V FITC Detection Kit). Concentrations of Fluoride, Aluminium and Strontium ions were tested by appropriate methods in the same eluates. Results: Cell survival ranged between 79.62% (Fuji Triage) to 1.5% (Fuji Plus) and most dead DPSCs were in the stage of late apoptosis. Fluoride release correlated with cytotoxicity of GICs, while Aluminium and Strontium ions, present in significant amount in eluates of tested GICs did not. Significance: Fuji Plus, Vitrebond and Fuji VIII, which released fluoride in higher quantities than other GICs, were highly toxic to human DPSCs. Opposite, low levels of released fluoride correlated to low cytotoxic effect of Composit, Fuji I and Fuji Triage.


Glass ionomer cements, cytotoxicity, fluoride, human dental pulp stem cells, Fuji Plus, Fuji Triage, Aluminium and Strontium ions, varnishes, Sigma-Aldrich chemical


Centre for Molecular Medicine and Stem Cell Research, Faculty of Medicine, University of Kragujevac,69 Svetozara Markovica Street, 34 000 Kragujevac, Serbia.

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