Air abrasion is a way to modify tooth surface without drilling, using a blast of powder under high air pressure with or without liquid. Advantages of air abrasion: - No vibration. - No heat generation. - No crack propagation. - Minimal invasive. - No anesthesia. - No drilling. Uses of Aquacare: - Prophylaxis. - Cleaning. - Stains removal. - Cavity preparations. - Removal of biofilms. - Removal of old restorations. - Roughness of inner surface of E-max crowns. - Cleaning around brackets. - Debonding of brackets. - Removal of residual composite. - Pocket cleaning. - Cleaning around implants prevents preiimlantitis. - Pedodontics. - Small cavities.