Fig. 2From: Novel antibacterial and apatite forming restorative composite resin incorporated with hydrated calcium silicateThe Ca (A) and Si (B) ion concentration in the lactic acid solution at 1Â h, 1 d, 7 d, 14 d, 30 d, 60 d, and 90 d. Each value shows the mean of six repeated measurements, and the error bars show the standard deviation of the mean valuesBack to article page