Table 1.

Mean (SD) of spectrophotometer readings regarding the antibacterial effects of AH 26 and MTA Fillapex sealers at different times

	Bacteria	Sealer	24 h	48 h	72 h	7 days	P- value*
Direct	Staphylococcus aureus	AH 26	1.611 (0.14)	1.336 (0.23)	1.082 (0.24)	0.852 (0.143)	0.007
		MTA Fillapex	1.717 (0.08)	1.550 (0.05)	1.364 (0.15)	1.245 (0.19)	0.009
		P- value**	0.24	0.045	0.04	0.02
	Enterococcus faecalis	AH 26	1.810 (0.04)	1.353 (0.099)	0.821 (0.297)	0.734 (0.285)	0.001
		MTA Fillapex	2.72 (0.072)	2.653 (0.061)	2.363 (0.340)	2.13 (0.472)	0.075
		P- value**	0.000	0.000	0.000	0.000
	Lactobacillus acidophilus	AH 26	0.961 (0.14)	0.854 (0.086)	0.639 (0.188)	0.663 (0.137)	0.066
		MTA Fillapex	1.62 (0.206)	1.40 (0.053)	1.42 (0.120)	1.30 (0.10)	0.012
		P- value**	0.000	0.005	0.003	0.000
	Lactobacillus casei	AH 26	1.324 (0.22)	1.03 (0.098)	0.585 (0.036)	0.714 (0.065)	0.000
		MTA Fillapex	1.80 (0.204)	1.79 (0.285)	1.68 (0.339)	1.328 (0.184)	0.001
		P- value**	0.020	0.004	0.000	0.000
Indirect	Staphylococcus aureus	AH 26	2.392 (0.08)	2.233 (0.057)	1.90 (0.104)	1.97 (0.086)	0.000
		MTA Fillapex	2.291 (0.05)	2.195 (0.081)	1.998 (0.104)	1.927 (0.09)	0.009
		P- value**	0.14	0.66	0.30	0.62
	Enterococcus faecalis	AH 26	2.67 (0.208)	2.142 (0.124)	2.07 (0.151)	1.86 (0.057)	0.001
		MTA Fillapex	2.334 (0.08)	2.206 (0.004)	2.142 (0.01)	1.973 (0.046)	0.000
		P- value**	0.05	0.42	0.49	0.07
	Lactobacillus acidophilus	AH 26	2.23 (0.152)	2.08 (0.167)	1.85 (0.036)	1.64 (0.241)	0.001
		MTA Fillapex	1.967 (0.153)	1.867 (0.252)	1.800 (0.361)	1.733 (0.34)	0.785
		P- value**	0.10	0.26	0.83	0.69
	Lactobacillus casei	AH 26	2.03 (0.120)	1.85 (0.100)	1.84 (0.03)	1.78 (0.09)	0.040
		MTA Fillapex	2.067 (0.306)	1.922 (0.357)	1.879 (0.002)	1.797 (0.016)	0.338
		P- value**	0.76	0.71	0.43	0.54