Table 1.

Colony forming unit (CFU), log CFU, median, minimum and maximum values for groups and statistical comparison (SD: standard deviation).

Groups n= 20	Before irrigation (Sx) (CFU mL-1)	After irrigation (Sx±SD) (Log CFU mL-1)	Median	Minimum	Maximum
Group 1 Saline (Negative control)	1.5 X 108	6.07± 0.76	6.035	6	6.17
Group 2 Aqueous Ozone	1.5 X 108	0.9±0.78	1	0	2
Group 3 EDTA	1.5 X 108	4.04±0.19	4	3.69	4.3
Group 4 CHX	1.5 X 108	3.32±0.35	3.21	3	4
Group 5 Super-oxidized water	1.5 X 108	0.2±0.41*	0	0	1
Group 6 NaOCl (Positive control)	1.5 X 108	0±0.00*	0	0	0

F= 751.542, P=0.000, The groups indicated by the same symbol (*) showed no difference (p>0.05). There were significantly statistical differences among any other groups (p>0.05).