1. Department of Prosthodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia
2. Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha, Saudi Arabia
3. Department Restorative Dental Sciences, College of Dentistry, King Khalid University, Abha, Saudi Arabia
4. Department of Oral and Maxillofacial Surgery, College of Dentistry, King Khalid University, Abha, Saudi Arabia
5. Department of Periodontics, Datta Meghe Institute of Higher Education and Research, Deemed to be University, Wardha, India