Dentin Bridge Formation After Indirect Pulp Capping With Bioactive Glass Incorporated in Resin Composite and Its Adhesive in Comparison With Light Cured Calcium Hydroxide

Inclusion Criteria: * Active carious lesion in deep dentin of molars. * Absence of cavitated lesions at the buccal or lingual surfaces as determined by clinical and radiographic examination. * Absence of clinical diagnosis of pulp exposure, fistula, swelling of periodontal tissues, and abnormal tooth mobility; * Absence of clinical symptoms of irreversible pulpitis, such as spontaneous pain or sensitivity to pressure; * The extension of the carious lesion should be such that complete caries removal would risk pulp exposure, as determined by clinical and radiographic assessment; * Absence of radiolucencies at the interradicular or periapical regions, or thickening of the periodontal spaces, that would indicate the presence of irreversible pulp pathologies or necrosis; * Absence of internal or external root resorption. * Co-operative patients approving the trial. Exclusion Criteria: * Patients with systemic medical conditions * pregnant females * Teeth with spontaneous pain or sensitivity to percussion. * Teeth with periodontal lesions, internal or external root resorption, mobility of tooth, sinus opening, or abscessed tooth. * Radiographic examination revealed, interrupted or broken lamina dura, widened periodontal ligament space, periapical radiolucency.