1. College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
2. Central Care Clinics, Alkhobar, Saudi Arabia
3. ADEED, Riyadh, Saudi Arabia
4. Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia