. 2017 Jan 22;2017:2582849. doi: 10.1155/2017/2582849

Table 4.

The dimensional stability (%) of the tested sealers at various time periods (mean ± standard deviation).

Ratio (%)	6 hours	24 hours	72 hours	7 days	14 days	30 days
Radic-Sealer	0.42 ± 0.33^AB	0.62 ± 0.35^aBC	0.98 ± 0.28^aC	1.73 ± 0.39^aD	2.22 ± 0.28^bDE	2.69 ± 0.32^bE
AD Seal	0.21 ± 0.27^A	0.55 ± 0.32^aAB	1.20 ± 0.39^aB	2.07 ± 0.56^aC	2.88 ± 0.54^aD	3.41 ± 0.76^aD
AH-Plus	0.10 ± 0.64	0.13 ± 0.65^b	0.23 ± 0.55^b	0.24 ± 0.64^b	0.25 ± 0.54^c	0.35 ± 0.51^c
EndoSeal MTA	0.36 ± 0.32	0.33 ± 0.28^ab	0.25 ± 0.34^b	0.14 ± 0.33^b	0.23 ± 0.29^c	0.21 ± 0.31^c

^{a, b, c}Different letters in each column indicate significant difference between groups at the same period (P < 0.05).

^{A, B, C, D, E}Different capital letters indicate significant difference during the time periods in the same material (P < 0.05).