Comparison of Hyaluronic Acid, TheraCal, and Mineral Trioxide Aggregate as Pulpotomy Agents in Primary Molars

Inclusion Criteria: * Age 4-8 years, * Co-operative patient * At least one restorable mandibular second primary molars with deep carious lesions requiring pulpotomy. * Absence of gingival swelling or sinus tract. * Absence of spontaneous pain. * Absence of pain on percussion. * Controlled bleeding. * First treatment the tooth. * Possibility of restoring the tooth with a stainless steel crown. * No Radiographic evidence of changes associated with pulp degeneration, such as widening of PDL space, internal root resorption, external root resorption, inter-radicular or periapical bone destruction (radiolucency). Exclusion Criteria: * Swelling, sinus tract, or fistula. * Spontaneous pain. * Necrotic pulp, pathological mobility. * Cases require for general anesthesia. * A history of repeated need for analgesics. * Patients with any systemic diseases. * Uncontrolled bleeding. * Selected deciduous teeth without a permanent successor