1. Maxillofacial Surgery and Diagnostic Sciences Department, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
2. King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
3. Oral Radiology and Diagnostic Sciences, Faculty of Dentistry-Mansoura University, Mansoura, Egypt
4. Oral and Maxillofacial Radiology Department, Faculty of Oral and Dental Medicine, Delta University for Science and Technology, Gamsa, Egypt