Fig. 3From: Biocompatible orthodontic cement with antibacterial capability and protein repellencyCytotoxicity of cement disks. The incorporation of NAg and NAC yielded cell viabilities above 70% at all three time points. The addition of MPC showed no adverse effects on the cell viabilities (p > 0.1). Different letters indicate a significant difference from each other (p < 0.05)Back to article page