Haghgoo 2009.

Methods	RCT, parallel‐arm Teeth randomly assigned
Participants	70 teeth, age range 4 to 7 years
Interventions	Group 1: Pulpotomy (formocresol); n = 35 (1 visit) Group 2: Pulpotomy (Iranian Root MTA); n = 35 (1 visit)
Outcomes	Clinical failure, radiological failure, pain, soft tissue pathology, pathological radiolucency, pathological root resorption: evaluation at 12 months
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information to make a clear judgement
Allocation concealment (selection bias)	Unclear risk	Insufficient information to make a clear judgement
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Insufficient information to make a clear judgement
Blinding of clinical outcomes assessment	Low risk	The clinical ...follow up evaluations were performed at 6, 12 months by a blinded dentist
Blinding of radiological outcomes assessment	Low risk	The ...radiographic follow up evaluations were performed at 6, 12 months by a blinded dentist
Incomplete outcome data (attrition bias) All outcomes	Low risk	No missing data
Selective reporting (reporting bias)	Unclear risk	Insufficient information to make a clear judgement