Inclusion Criteria:  - Patients who need Orthodontic treatment with full dentition excluding 3rd molars. Fully erupted 5-5 with normal anatomy. The patient's age range is from 12 to 60 years of age. Both extraction and non-extraction cases are included.  Exclusion Criteria:  - Patients with caries, fluorosis, enamel hypoplasia, restorations, or fractures. Patients with severe rotations.