Clinical Research Directory

Inclusion Criteria: 1. Patients within 16-35 years of age. 2. Each patient has 4 or more WSLs 3. Mild and moderate WSLs. 4. Good oral hygiene and willing patients who can attend study visits. 5. Symmetrical number of permanent teeth in each arch (mesial to second molars). Exclusion Criteria: 1. Active carious lesions. 2. Labial surface restorations. 3. Intrinsic and extrinsic stains. 4. Patients who have a significant medical history or if they are smokers. 5. Patients who participated in clinical study during the preceding six months of the start of this trial. 6. Criteria for discontinuation; Mortality and acquiring severe debilitating disease.