1. Department of Restorative Dental Sciences and Prosthodontics, College of Dentistry, Majmaah University, Al Majma’ah, Kingdom of Saudi Arabia
2. General Dental Practitioner, Al Majma’ah, Kingdom of Saudi Arabia
3. Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Biology, College of Dentistry, Majmaah University, Al Majma’ah, Kingdom of Saudi Arabia
4. Department of Paediatric Dentistry, Armed Forces Hospital- Southern Region, Khamis, Mushayt, Kingdom of Saudi Arabia
5. Department of Preventive Dental Sciences, Division of Periodontology, College of Dentistry, University of Ha’il, Ha’il, Kingdom of Saudi Arabia