Injectable Bioactive Composite vs Hall Technique for Proximal Cavities in Primary Molars

Inclusion Criteria: * • Generally showing cooperative behaviour that could be managed by the operators. * Willing to sign the informed consent. * Accepts the follow-up period. * Moderate to low caries risk according to cariogram application * Posterior primary molar with proximal carious lesion with no sign and symptoms of pulpal involvement. * Radiographically (bitewing radiograph) extending to the outer1/3 of dentin * ICDAS (3) and ICDAS(4). Exclusion Criteria: * • Allergy to any restorative materials. * Patients undergoing orthodontic treatment with fixed appliances. * Patients with debilitating systemic diseases. * Children with special needs. * Teeth with previous restorations. * Periapical radiolucencies and sensitivity to axial or lateral percussion. * Mobile teeth. * External or internal resorption. * Cervical carious lesions.