The present study compares 3D facial, skeletal and dental changes using two orthopedic orthodontic approaches. Group 1 (alternative treatment) will use a fixed Class II corrector - Crossbow appliance - with full braces utilized later against Group 2 (one of the current available conventional treatments) with full fixed appliances with an additional fixed Class II corrector - (standard of care) - in clinical patients with mild to moderate Class II division 1 malocclusion.