1. Department of Preventive Dentistry, Faculty of Dentistry, Najran University, Saudi Arabia
2. Department of Oral and Maxillofacial Surgery & Diagnostic Sciences, Faculty of Dentistry, Najran University, Saudi Arabia
3. Department of Oral and Maxillofacial Surgery, Specialty Regional Dental Center, Najran, Kingdom of Saudi Arabia
4. Health Affairs Ministry of Health, Najran, Kingdom of Saudi Arabia
5. Department of Oral and Maxillofacial Surgery & Diagnostic Sciences, Faculty of Dentistry, Najran University, Najran, Saudi Arabia