38. Pulpectomy (Vitapex) versus pulpectomy (3Mix).

Outcome	Time point (months)	No. of studies	Risk ratio (95% CI)
Clinical failure	6	1	Not estimable*
	12	1	1.0 (0.07 to 15.12)
Radiological failure	6	1	1.25 (0.38 to 4.12)
	12	1	1.83 (0.80 to 4.19)
Pain	6	1	Not estimable*
	12	1	3.00 (0.13 to 70.30)
Soft tissue pathology	6	1	Not estimable*
	12	1	1.0 (0.07 to 15.12)
Pathological mobility	6 and 12	1	Not estimable*
Pathological radiolucency	6	1	1.50 (0.27 to 8.22)
	12	1	2.75 (1.01 to 7.48)
Pathological root resorption	6 and 12	1	0.20 (0.01 to 3.97)
Pulp canal obliteration	6	1	Not estimable*
	12	1	0.20 (0.01 to 3.97)

*due to lack of events

Abbreviations ‐ CI: confidence interval; Vitapex: CH/iodoform; CH: calcium hydroxide; 3Mix: ciprofloxacin + metronidazole + minocycline.