Antibacterial Effect of Red Laser Therapy on Enterococcus faecalis Using Different Photosensitizers: An In Vitro Study

Table 1

Comparison of the antibacterial effect of the red laser on premolars contaminated with E. faecalis using different photosensitizers.

	CFU/ml
	Mean	SD	Min	Max	p	p
RL + MB	530	581.3	0	1600	0.043	0.001
RL + MG	1990	542.5	1200	3300	0.086
Control	11430	2352.3	8400	15000	0.371

RL + MB: red laser associated with methylene blue photosensitizer; RL + MG: red laser associated with malachite green photosensitizer. Shapiro–Wilk test; ANOVA test.