1. Department of Oral Medicine and Radiology, SRM Kattankulathur Dental College, Potheri, Kanchipuram District, Tamil Nadu, India
2. Department of Oral Medicine and Radiology, Institute of Dental Sciences, Bhubaneshwar, Orissa, India
3. Department of Oral and Maxillofacial Pathology, SRM Kattankulathur Dental College, Potheri, Kanchipuram District, Tamil Nadu, India