Color Stability of S-PRG Resin-Based Light-Cure Varnish and Prophylaxis Paste on White Spot Lesions

Inclusion Criteria: * Patient consulting in the outpatient clinic. * Enamel caries in anterior permanent teeth according to ICDAS-1 and ICDAS-2. * Good oral hygiene. * Provide informed consent. * Cooperative and willing to participate in the trial. * Male or female. * Adult patients aged 16 to 35 years. Exclusion Criteria: * Spontaneous or elicited pain from caries. * Tooth mobility. * Signs of pulpal infection. * Severe medical conditions that would not allow management in the clinic. * Hereditary developmental defects such as amelogenesis imperfecta or dentinogenesis imperfecta. * Known allergies or sensitivities to dental materials, including fluoride * Inability to return for recall visits. * Poor oral hygiene. * Refusal to participate in the study.