Table 1: Mean (SD) leakage values for MTA and CEM plugs at three intervals according to the plug thickness ( 𝑇 ) and canal diameter ( 𝐷 ).

Time intervals
1 day7 days30 days
𝐷 = 1 . 1 m m 𝐷 = 1 . 7 m m 𝐷 = 1 . 1 m m 𝐷 = 1 . 7 m m 𝐷 = 1 . 1 m m 𝐷 = 1 . 7 m m

CEM plug 𝑇 = 3 m m 1.43 (2.71)*4.66 (3.39)3.30 (6.35)5.39 (1.14)1.78 (3.97)1.12 (1.85)
𝑇 = 5 m m 4.06 (9.69)6.93 (1.31)1.43 (3.88)4.62 (9.96)0.00 (0.00)2.45 (5.44)
MTA plug 𝑇 = 3 m m 2.30 (1.71)2.30 (1.62)9.71 (1.34)2.90 (6.07)8.59 (8.34)1.92 (4.77)
𝑇 = 5 m m 1.42 (1.35)1.80 (1.39)5.69 (1.20)2.94 (3.79)1.26 (1.22)1.44 (2.24)

𝜇 L min−1 cm H2O−1 × 10−4.