21% Hydrochloric Acid Based Versus 6.6 % Hydrochloric Based Micro Abrasive Kit in Management of Patients With Mild to Moderate Fluorosis

Inclusion Criteria: Patients who wanted to change the appearance of their stained teeth Males or females. Patients with three or more stained incisors and canines Patients willing and able to attend periodic follow-up visits Patient concerning with oral health. Co-operative patients who show interest to participate in the study. Exclusion Criteria: Patients with known allergic or adverse reaction to the tested materials. Smoking habit Patients having Poor oral hygiene Patients with special health care needs or any systemic disease that may affect treatment Patients participating in other dental studies. Patients suffering from white spot lesion, hypoplasia, amelogenesis imperfecta, dentinogenesis imperfecta, or badly broken and missing teeth due to MIH. Participants who had a history of dental bleaching.