Satya Ranjan Misra1, Varun Rastogi2, Neeta Mohanty3, Daniel Alex Vineet4. 1. Institute of Dental Sciences, Siksha O' Ansuandhan University, Bhubaneswar, Odisha, India. 2. Department of Oral Pathology & Microbiology, Kalka Dental College, Meerut, Uttar Pradesh, India. 3. Department of Oral Pathology & Microbiology, Institute of Dental Sciences, Siksha O' Ansuandhan University, Bhubaneswar, Odisha, India. 4. Department of Oral Medicine & Radiology, PMS College of Dental Science & Research, Thiruvananthapuram, Kerala, India.