1. Department of Periodontics and Community Sciences (PCS), College of Dentistry, King Khalid University, Abha 62529, Saudi Arabia
2. Department of Preventive dentistry, College of Dentistry, Jouf University, Sakaka 72345, Saudi Arabia
3. Department of Oral Maxillofacial Surgery & Diagnostic Sciences, College of Dentistry, Jouf University, Sakaka 72345, Saudi Arabia
4. Department of Dentistry, School of Biomedical and Health Sciences, European University of Madrid, 28670 Madrid, Spain
5. Private Dental Practice, 72015 Fasano, Italy
6. Department of Oral Medicine and radiology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 602105, India