Clinical Performance Of Conserved Chalky White Demineralized Enamel Cavity Margins Versus Totally Removed Carious Margins In Class V Cavities Restored With Composite Resin

Inclusion Criteria: * class V carious lesions in premolars and molars. * Vital upper or lower teeth with no signs of irreversible pulpitis. * Presence of favorable occlusion and teeth are in normal contact with the adjacent teeth. Exclusion Criteria: * Deep carious defects (close to pulp, less than 1 mm distance). * Periapical pathology or signs of pulpal pathology. * Endodontically treated teeth * Tooth hypersensitivity. * Possible prosthodontic restoration of teeth. * Heavy occlusion or occlusal contacts or history of bruxism. * Severe periodontal affection