Malocclusion, Angle Class II, Division 1

• Outpatient Clinics of the Department of Orthodontics, Faculty of Dental Medicine, Boys, Cairo, Al-Azhar University. — Cairo, Cairo Governorate, Egypt

• Orthodontics Department, Faculty of Dentistry — Damascus, Syrian Arab Republic, Syria

• Orthodontic Department, Faculty of Dentistry - Al-Azhar University — Cairo, Egypt

• Department of Orthodontics, Faculty of Dentistry, University of Damsacus — Damascus, Syria

• Ahmed Median — Alexandria, Egypt

• Orthodontic Department, University of Damascus Dental School — Damascus, Syria

• Faculty of Dental Medicine, Damascus University — Damascus, Syria

• Damascus University — Damascus, Syria

• Damascus University — Damascus, Syria

Not specified