1. Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University, P.O. Box 3263, Abha 61471, Saudi Arabia
2. Department of Prosthetic Dental Sciences, College of Dentistry, Jazan University, P.O. Box 114, Jazan, Saudi Arabia
3. Division of Oral Medicine, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Najran University, Najran, Saudi Arabia
4. Division of Periodontology, Department of Preventive Dental Sciences, College of Dentistry, King Khalid University, P.O. Box 3263, Abha 61471, Saudi Arabia
5. Division of Oral Biology, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University, P.O. Box 3263, Abha 61471, Saudi Arabia
6. Division of Oral Pathology, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University, P.O. Box 3263, Abha 61471, Saudi Arabia