Table 1.

Mean ± SD of the colony-forming unit of Enterococcus faecalis after treatment with different antimicrobial agents.

Group	Time∗	N ∗∗	Min.∗∗∗	Max.∗∗∗∗	Mean ± standard deviation CFU∗∗∗∗∗
Aloe vera	4 weeks	20	0	0	0
	6 weeks	20	0	1000	136.36 ± 323.33
Phosphate-buffered saline (PBS)	4 weeks	20	20000	100000	69166.66 ± 31688.58
	6 weeks	20	20000	70000	95000 ± 12247.44
Calcium hydroxide (CaOH2)	4 weeks	20	0	80000	25000 ± 30822.07
	6 weeks	20	10	100000	27501.66 ± 36570.34

^∗Time of culture for biofilm formation in the dental root area, ^∗∗number of samples which were used for the study, ^∗∗∗lowest number of colony formation after exposure with groups' examination solution, ^∗∗∗∗highest number of colony formation after exposure with groups' examination solution, and ^∗∗∗∗mean ± standard deviation of colony-forming units.