Comparison of Easydo Activator, ultrasonic and needle irrigation techniques on sealer penetration and smear layer removal in vitro

Table 3 Smear layer scores of the test groups at the apical third of the root canal

Group	No.	Mean	Standard deviation
Group 1 Needle Irrigation	5	3.700^†	0.483
Group2 Passive ultrasonic irrigation	5	2.500^‡	0.527
Group 3 Easydo Activator	5	1.100^§	0.316

Different symbols indicate a significant difference at the 5% significance level (P < 0.05). (Data with the same superscript are not significantly different)

ISSN: 1472-6831