Inclusion Criteria:  Adult patients with permanent occlusion at age 18-30 years. Comprehensive medical and dental history ruling out any systemic disease Not under any systemic medication. No previous orthodontic treatment Patients with satisfactory periodontal health and Good oral hygiene Need to orthodontic treatment with fixed appliances No congenitally missing teeth except third molars in the maxillary arch Mild or no anterior crowding in maxillary arch. Patients with class Ⅱ division 1 (ANB angle ≤7 degrees) with severe overjet (5-9 mm) Maximum retraction of the anterior teeth was desired.  Exclusion Criteria:  Patients with previous orthodontic treatment. Patients with severe skeletal dysplasia in all three dimensions. Patients suffer from systemic diseases or syndromes Patients on medication for systemic disorders, pregnancy or steroid therapy. Patients showing any signs of active periodontal disease Patients with severe crowding (≥ 3.5 mm) in maxillary arch Patients with missing or extracted teeth in maxillary arch except third molar.