Wellroot PT Versus MTA in Pulpotomy of Primary Molars

Inclusion Criteria: * • Children aged between 4 years and 7 years. * Mandibular second primary molar with deep caries involving pulp. * No history of spontaneous pain, pathologic mobility, draining sinus tract, redness or swelling of the vestibule. * Normal gingival and periodontal condition, with no sensitivity to vestibular palpation, and no pain on percussion test. Radiographic criteria: * No sign of radiolucency in periapical or furcation area. * No widening of PDL space or loss of lamina dura continuity. * No evidence of internal/external pathologic root resorption. Exclusion Criteria: * • Uncooperative children. * Children with systemic disease. * Lack of informed consent by the child patient's parent. * Unable to attend follow-up visits. * Refusal of participation.