Fig. 3From: Comparation of the effectiveness of conventional needle irrigation and photon-induced photoacoustic streaming with sodium hypochorite in the treatment of teeth with apical periodontitis: a randomized clinical trialComparison of ATP values in CNI group and PIPS group. A: ATP value before final irrigation (A); B: ATP value after final irrigation (B). Abbreviations: CNI, conventional needle irrigation. PIPS, photon-induced photoacoustic streamingBack to article page