1. Department of Preventive Dental Sciences, College of Dentistry, Prince Sattam bin Abdulaziz University, Alkharj 11942, Saudi Arabia
2. Dental Intern, College of Dentistry, Prince Sattam bin Abdulaziz University, Alkharj 11942, Saudi Arabia
3. Dental Department, Prince Sultan Military Medical City, Riyadh 12233, Saudi Arabia