Gargi S Sarode1, Sachin C Sarode2. 1. Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Sant-Tukaram Nagar, Pimpri, Pune 18, Maharashtra, India. Electronic address: gargi14@gmail.com. 2. Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Sant-Tukaram Nagar, Pimpri, Pune 18, Maharashtra, India. Electronic address: drsachinsarode@gmail.com.