Clinical Research Directory

Patient-related Criteria: A) Inclusion Criteria: * Patients consulting in the outpatient clinic with cervical carious lesion. * Age between 21-45 years. * Males and females. B) Exclusion Criteria: * Systemic disease or severe medical complication. * Allergy to any of the restorative materials. * Pregnancy. * Disabilities. * Heavy smoking; xerostomia. * Lack of compliance. * Evidence of severe bruxism, clenching, or temporomandibular joint disorders or bizarre habits. Tooth-related Criteria: A) Inclusion Criteria: * Small to moderate class V carious lesion. * Teeth are vital with no signs of irreversible pulpitis. * Caries cervical margins above the CEJ. * Well-formed and fully erupted in normal functional occlusion with natural antagonist. B) Exclusion Criteria: * Deciduous teeth; as the study is targeting only permanent teeth. * Deep carious defects (close to the pulp, less than 1 mm distance). * Tooth hypersensitivity. * Teeth with previous restorations, which may add another variable to the study (type of old restorative material, extent of recurrent caries). * Heavy occlusion and occlusal contacts or history of bruxism. * Endodontically treated teeth. * Periapical pathology or signs of pulpal pathology.