1. Department of Oral Diagnostic Sciences, King AbdulAziz University, Faculty of Dentistry, Jeddah, Saudi Arabia
2. Ministry of Health, Madinah, Saudi Arabia
3. Ministry of Health, Taif, Saudi Arabia
4. Private Practice, Jeddah, Saudi Arabia
5. Department of Pediatric Dentistry, King AbdulAziz University, Faculty of Dentistry, Jeddah, Saudi Arabia
6. Department of Periodontics, King AbdulAziz University, Faculty of Dentistry, Jeddah, Saudi Arabia
7. Department Oral and Maxillofacial Surgery, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt
8. Department Oral and Maxillofacial Surgery, Al-Farabi Private College for Dentistry and Nursing, Jeddah, Saudi Arabia