. 2022 Dec 5;33(6):20–27. doi: 10.1590/0103-6440202205100

Table 3. Means and standard deviation of pH after different times of ultrasonic activation of the sealers along the evaluation period.

Sealers	UA	1 hour	24 hours	72 hours	168 hours
Bio-C Sealer	NA	9.11±0.56 ^Ba*	10.79±0.16 ^Aa†	11.05±0.09 ^Aa*	11.15±0.04 ^Ab†
	10 sec	9.60±0.15 ^Ca*	10.94±0.05 ^Ba†	10.95±0.09 ^Bab*	11.16±0.10 ^Ab†
	20 sec	9.45±0.88 ^Ca*	10.64±0.41 ^Ba*	10.82±0.18 ^Bb*	11.36±0.06 ^Aa*
Sealer Plus BC	NA	9.97±0.45 ^Ba†	10.41±0.16 ^Bb*	10.96±0.24 ^Aa*	10.99±0.15 ^Ab*
	10 sec	10.10±0.12 ^Ba†	10.78±0.05 ^Aa*	10.92±0.02 ^Aa*	10.78±0.34 ^Ab*
	20 sec	10.36±0.21 ^Ca†	10.55±0.15 ^Cb*	10.85±0.02 ^Ba*	11.69±0.15 ^Aa†
BioRoot	NA	9.31±0.21 ^Bb*	11.35±0.04 ^Aab§	11.53±0.21 ^Aa†	11.49±0.01 ^Aa§
	10 sec	10.36±0.15 ^Ba†	11.55±0.14 ^Aa§	11.63±0.11 ^Aa†	11.61±0.11 ^Aa§
	20 sec	10.14±0.37 ^Ca†	11.18±0.06 ^Bb†	11.56±0.01 ^Aa†	11.57±0.26 ^Aa*

Capital letters compare the pH values in the line. Lowercase letters compare the effect of UA for each endodontic sealer. Different symbols denote differences between the sealers in each experimental condition in each evaluation period. (α = 5%). NA = no activation; UA = ultrasonic activation.