Kapil Dagrus1, Sharad Purohit2, Bhari Sharanesha Manjunatha3. 1. Department of Oral Pathology, KM Shah Dental College, Vadodara, Gujarat, India. 2. Department of Oral Pathology & Microbiology, Jodhpur Dental College and Hospital, Jodhpur, Rajasthan, India. 3. Department of Dental Anatomy & Oral Biology, Basic Dental Sciences, Faculty of Dentistry Al-Hawiyah, Al Taif-21944, University of Taif, Kingdom of Saudi Arabia.