Fig. 4From: Effect of copper oxide nanoparticles and light-emitting diode irradiation on the cell viability and osteogenic/odontogenic differentiation of human stem cells from the apical papillaCell viability of the groups at 24 and 48 h an increase in the concentration of CuONPs decreased the viability of SCAPs such that the viability of SCAPs exposed to different concentrations of CuONPs was significantly different at 24 and 48 h (P < 0.05). ***and ###: P < 0.001. ** and ##: P < 0.01. * and #: P < 0.05Back to article page