Micro-CT Evaluation of Four Root Canal Obturation Techniques

Table 1

Means and standard deviations of percentage volume of voids (%) in the root canal filled teeth using different obturation techniques.

	Coronal third	Middle third	Apical third	Overall
LC2
LC4
MS
MSUA

^a,b,cDifferent letters in each column indicate significant difference (). LC2: lateral condensation using 0.02 tapered master cone; LC4: lateral condensation using 0.04 tapered master cone; MS: matched single-cone technique; MSUA: matched single cone by ultrasonic activation.