Noopur Managoli Kulkarni1, Roshini Vinod2, Sujit Londhe3, Shailesh Gawande4
1Reader, 2Senior Lecturer, 3,4Consultant Dental Surgeon, Dept. of Oral Pathology and Microbiology, Pandit Deendayal Upadhyay Dental College, Maharashtra 413255, India.