Fig. 4From: Sonic irrigant activation for root canal disinfection: power modes matter!Bacterial regrowth (log10 units of CFUs, black bars) after irrigation with 1.5% NaOCl (d0, day 0) and after re-incubation and provision of nutrient broth (d1, day 1; d4, day 4, d7, day 7). “Low”, “medium” and “high” refer to respective the power mode of the air scaler handpiece used for sonic irrigation with the EDDY device. “Manual” stands for the manual rinsing groupBack to article page