1. Assistant Professor, Department of Periodontics and Community Dental Sciences, Research Center for Advanced Materials Sciences, King Khalid University, College of Dentistry, Abha, Saudi Arabia
2. Resident, King Khalid University, College of Dentistry, Abha, Saudi Arabia
3. Demnstrator, Department of Endodontics, Hail University, Saudi Arabia
4. Demnstrator, Department of Oral and Maxillofacial Surgery, Hail University, Saudi Arabia
5. Assistant professor, Department of Oral and Maxillofacial Surgery, King Khalid University, College of Dentistry, Abha, Saudi Arabia