Table 1. Comparison of mean apical micro-leakage (in micrometer) with four sealers evaluated under dry and moist conditions .

Group	AH26	Excite	MTA Fillapex	ZOE	P-value	Total
Dry	116.83± 26.42a	256.47± 27.53b	331.26 ± 68.96c	493.00 ± 36.48d	<0.001	299.39 ± 143.63
Moist	160.17 ± 28.8a	314.83 ± 21.77b	375.65 ± 86.13b	551.59 ± 68.19c	<0.001	350.56 ± 152.38
P-value	0.02	<0.001	0.22	0.03	—	—
Total	138.50 ± 34.62	285.65 ± 38.46	353.43 ± 79.28	522.29 ± 61.13	—	—
Different letters in each row show statistical significant differences between groups at ? = 0.05.