From: The influence of two forms of chlorhexidine on the accuracy of contemporary electronic apex locators
Group
Mean (mm)
SD (mm)
Minimum (mm)
Maximum (mm)
CHX-S
0.33
0.22
0.0
0.92
CHX-G
0.24
0.21
0.62
NaOCl
0.64
0.54
2.07