12. Pulpotomy (ProRoot MTA) versus pulpotomy (OrthoMTA).

Outcome	Time point (months)	No. of studies	Risk ratio (95% CI)
Clinical failure	6	1	Not estimable*
	12	1	0.33 (0.01, 7.98)
Radiological failure	6	1	1.00 (0.06, 15.52)
	12	1	0.50 (0.05, 5.33)
Pain	6 and 12	1	Not estimable*
Soft tissue pathology	6	1	Not estimable*
	12	1	0.33 (0.01, 7.98)
Pathologic mobility	6 and 12	1	Not estimable*
Pathologic radiolucency	6	1	0.33 (0.01, 7.98)
	12	1	0.20 (0.01, 4.06)
Pathologic root resorption	6	1	3.00 (0.13, 71.82)
	12	1	1.00 (0.06, 15.52)

*due to lack of events

Abbreviation: CI: confidence interval.