1. Prosthetic Dental Science Department, College of Dentistry, Jazan University, Jazan, Saudi Arabia
2. Prosthodontic Department, College of Dentistry, King Khalid University, Abha, Saudi Arabia
3. Department of Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
4. Substance Abuse Research Center, Jazan University, Jazan, Saudi Arabia