Department of Periodontology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, India. Periodontics, College of Dentistry, Imam Abdulrahman Faisal University, Dammam KSA, Saudi Arabia. Department of Oral and Maxillofacial Surgery, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, India. Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, India.