Research Article

Evaluation of the Antibacterial Effect of Xylene, Chloroform, Eucalyptol, and Orange Oil on Enterococcus faecalis in Nonsurgical Root Canal Retreatment: An Ex Vivo Study

Table 1

Load of E. faecalis after gutta-percha removal and after apical enlargement for each experimental group (95% CIs are reported).

SolventAfter gutta-percha removal (CFUs/ml)After apical enlargement (CFUs/ml)

Chloroform4.24-19.89Aa1.14-4.25Ba
Eucalyptol2345.85-4301.30Ab197.79-1145.51Bb
Orange oil471.09-1480.47Ac396.28-2619.99Ab
Xylene207.21-1540.64Ac95.72-741.14Ab

Different capital letters (A and B) in the same line indicate statistical significance (). Different small letters (a, b, and c) in the same column indicate statistical significance ().