100% clinical success in both groups. Radiological changes of two groups. Statistically similar observations in both groups (X2 = 1.35, ). Radiological success rate was statistically similar in both groups ().
No statistically significant difference between both groups. The ciprofloxacin-minocycline-ornidazole group showed better results clinically and radiographically compared with the 3 Mix group.
No statistically significant differences Between the two groups regarding the appearance of radiolucency and the radiographic success rates after 6 and 12 months of treatment (). Regarding the association between root resorption degree and the clinical and radiographic success of the treatment within each group individually during all the follow-up periods ().
Ciprofloxacin-metronidazole-clindamycin
21/21 (100) 20/21 (95.2) 20/20 (100) 20/20 (100)
21/21 (100) 20/21 (95.2) 16/20 (80) 11/20 (55)
RCT: randomized controlled study; Nm: not mentioned.