Affiliation: | 1. Private Practice, Jeddah, Saudi Arabia;2. Department of Orthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia;3. Department of Oral & Maxillofacial Prosthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia;4. Department of Orthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia and Alexandria University, Alexandria, Egypt;5. Private practice, Cagliari, Italy |