After teeth whitening, follow these oral hygiene practices to maintain results: Immediate aftercare: - Gently brush with a soft-bristle toothbrush. - Rinse to remove residual whitening product. - Avoid staining foods and drinks like coffee and tea. - Don't smoke or use tobacco products. To maintain whitening results: - Brush twice daily with whitening toothpaste. - Floss daily to remove plaque and prevent stains. - Rinse with an antibacterial mouthwash. - Schedule regular dental check-ups and cleanings.