The Role of Fluoride Varnish Application in Preventing White Spot Lesions During Clear Aligner Treatment: A Controlled Split-Mouth Study

aim of study: is to compare the effect of the fluoride varnish application on the prevention of white spot lesions (WSLs) during clear aligner therapy Design Details: Each participant will have one side of the mouth assigned to the fluoride varnish intervention, while the contralateral side will serve as the control without fluoride varnish. Outcomes: Primary outcome: Incidence and Severity of White Spot Lesions Measured before and after six months using Laser fluorescence (DIAGNOdent) Secondary Outcome: Periodontal Ligament (PDL) Health using pocket Depth Index (PDI) Gingival Bleeding and Inflammation using bleeding on Probing Index (BOP)