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Effect of ethyl alcohol (EtOH) on cell viability (A) and cell death in human periodontal ligament cells (HPDLCs) and cementoblast. Cells are incubated with indicated concentration of EtOH for indicated times (A) and 3 days (B); Cell viability and death were examined by MTT assay and flow cytometry, respectively. These data are representative of three independent experiments. * statistically significant difference compared to the control groups (p < 0.05).
