1. Prosthetic Department, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
2. Prosthetic Department, College of Dentistry, King Khalid University, Abha, Saudi Arabia
3. Dental Technology Department, College of Medical Applied Sciences, King Khalid University, Abha, Saudi Arabia
4. Department of Prosthetic Dental Science, College of Dentistry, Jazan University, Jazan, Saudi Arabia
5. General Practitioner, Private Practice, Jazan, Saudi Arabia