Comparing the Coronal Seal of Different Thicknesses of MTA with Gutta-Percha after Post Space Preparation

Table 2

Estimation of means intervals of no microleakage in each group.

Material	Size	Estimate of the number of days with no microleakage
MTA	1 mm	67
	2 mm	64.3
	3 mm	75.7
Gutta-percha	4 mm	22.4
	5 mm	24.8
Positive control	—	10
Negative control	—	120