Antibacterial Effects of the Novel Blue Laser and Erbium Chromium Laser on Enterococcus Faecalis in Root Canal Dentin with Different Thicknesses

Table 4

Two-by-two examination of thicknesses in two groups of Er, Cr:YSGG laser and 445 nm diode laser.

Group	Thickness (mm)	P-value
	0.3 vs 0.5	0.069
Er, Cr:YSGG laser	1 vs 0.3	0.005
	1 vs 0.5	0.45
	0.5 vs 0.3	0.086
445 nm diode laser	1 vs 0.3	0.002
	1 vs 0.5	0.070

Mann-Whitney test.