Evaluation of Green Tea Extract and CPP-ACP effect on white spots

INTERVENTION: Intervention 1: Intervention group: Green Tea Extract. Intervention 2: Intervention group: Casein Phosphopeptide‐Amorphous Calcium Phosphate. Intervention 3: Control group: Placebo. CONDITION: White Spot Lesions. PRIMARY OUTCOME: WSLs Remineralization Score Measured By DIAGNOdent Pen. Timepoint: Baseline, one month, two months. Method of measurement: DIAGNOdent Pen. INCLUSION CRITERIA: The patient is aged between 15 and 30 years Initiation of the retention phase following fixed orthodontic treatment with the prescription of an Essi Xretainer for at least one arch Presence of at least one and at most five inactive enamel white‐spot lesions with a maximum size of 4 mm and a DIAGNOdent score between 10 and 20 located on the labial or lingual surfaces of corresponding teeth on both sides of the same arch The individual must have the willingness and mental/physical ability to maintain proper oral hygiene and cooperate throughout the study