Efficacy and Safety of Photon Induced Photoacoustic Streaming for Removal of Calcium Hydroxide in Endodontic Treatment

Figure 4

Apical extrusion of colored calcium hydroxide after rinsing with sodium hypochlorite using needle irrigation (a), PIPS 10 mJ/15 Hz (b), PIPS 25 mJ/40 Hz (c), and sonic irrigation (d).

(a)

(b)

(c)

(d)