Table 6. Descriptive Data Related to Irrigant Penetration Into the Dentinal Tubule .

Author	Study Objects	Number of Teeth	MAF	Laser Tip	Laser Settings (Pulse Energy, Repetition Rate, Power, Pulse Widths)	Activation Time	Irrigant	Main Findings
Akcay69 (2017)	PIPS, LAI (Er:YAG), PUI, SI, CI	65	40/0.06	PIPS, LAI: 300 μm, 14 mm	PIPS: 30 mJ, 30 Hz, 0.9 W, n/a LAI: 50 mJ, 20 Hz, 1 W, n/a	60 s NaOCl	5% NaOCl	Lasers gave the best results

CI, conventional irrigation; LAI, laser-activated irrigation; MAF, master apical file; n/a, not available; PIPS, photon-induced photoacoustic streaming; PUI, passive ultrasonic irrigation; SI, sonic irrigation.