Table 1. Mean scores (SD) of canal wall cleanliness for different retreatment groups at the coronal, middle, and apical portions.

Group	Coronal	Middle	Apical	Total
Mtwo R/Mtwo	9.32(1.70)	14.19(3.95)	16.35(1.62)	13.29(3.93)
Mtwo R/Mtwo +Chloroform	6.17(1.08)	7.49(1.38)	11.32(1.00)	8.32(2.49)
Mtwo R/Mtwo +Endosolv R	3.89(2.29)	4.27(3.42)	4.50(2.77)	4.22(2.77)