Randomized Clinical Trial for Primary Molar Pulpotomy, Biodentine Vs Formocresol-ZOE

Inclusion Criteria: * ASA I and II * less than 1/3 of physiologic root resorption * asymptomatic tooth (with no history of symptoms) * no clinical or radiological sign of pathology * vital tooth, with carious pulpal exposure * hemostasis must be obtained simply with pressure in less than 5 min * teeth restored with stainless steel crowns Exclusion Criteria: * more than 10 y.o. * symptomatic tooth (presently or history of symptoms) * previous pulpal treatment on the tooth * necrotic pulp * hyperemic pulp * inadequate operative technique, defective restauration * non diagnostic x-ray (pre or post treatment)