A Comparison of Er:YAG Laser with Photon-Initiated Photoacoustic Streaming, Nd:YAG Laser, and Conventional Irrigation on the Eradication of Root Dentinal Tubule Infection by Enterococcus faecalis Biofilms: A Scanning Electron Microscopy Study

Table 1

Irradiation parameters.

Parameter	Source type		Parameter unit; (metric or SI)
	Er:YAG	Nd:YAG
Wavelength	2940	1064	Nm
Spot size	400	200	µm
Operating frequency	15	15	Hz
Pulse energy	35	-	mJ
Pulse width	50	-	µs
Power	0.5	1.5	W
Energy density	6.963	-	J/cm^2
Power density	99.471	1193	W/cm^2