Clinical and Radiographic Evaluation in Pulpotomy of Primary Molars Using Protooth Vs. MTA

Inclusion Criteria: * Complete physical and mental health, with no confounding history of systemic disease and/or use of special local or systemic drugs * No allergic reactions recorded in patient history * Having primary molar teeth in one jaw, having deep caries and vital pulp. * No history of spontaneous pain, pathologic mobility, draining sinus tract, redness or swelling of 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: * Lack of informed consent by the child patient's parent * Lack of informed consent by the child patient's parent * Unable to attend follow-up visits. * Refusal of participation.