Table 3: Means (%) of hydraulic conductance (±SD) for each gels type as an after acid challenge as well as minimum and maximum (100%) hydraulic conductance and Tukey’s test compared.

Hydraulic conductance
GroupsConditionsvalues % L min−1 140 cm H2O−1

Control group (base gel)Smear layer-covered dentin100.0
37% PA etched dentin9.2
Treatment with control gel73.8
Posttreatment 6% CA etched1.90

Fluoride gel groupSmear layer-covered dentin100.0
37% PA etched dentin10.5
Treatment with F gel89.3
Posttreatment 6% CA etched90.8

Euclea natalensis gel groupSmear layer-covered dentin100.0
37% PA etched dentin20.1
Treatment with EN gel61.2
Posttreatment 6% CA etched66.0

*Different lower case letters in the same column indicate statistical significance between the gels. Different upper case letters in the same column indicate statistical significance among the different conditions ( ).