Comparison of Endodontic Biomaterials as Apical Barriers in Simulated Open Apices

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 day		7 days		30 days
		𝐷=1.1mm	𝐷=1.7mm	𝐷=1.1mm	𝐷=1.7mm	𝐷=1.1mm	𝐷=1.7mm
CEM plug	𝑇=3mm	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=5mm	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=3mm	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=5mm	1.42 (1.35)	1.80 (1.39)	5.69 (1.20)	2.94 (3.79)	1.26 (1.22)	1.44 (2.24)

^∗𝜇L min⁻¹ cm H₂O⁻¹ × 10⁻⁴.