IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34372 Original Research Paper THE IMAPCT OF COVID 19 PANDEMIC ON THE IN VIVO RESEARCH AREA OF DENTISTRY - A CROSS SECTIONAL STUDY Vaibhavi Nandgaonkar Dr. Dr Rajesh Gaikwad Dr. April 2021 10 4 01 02