IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48245 Original Research Paper Total And Sub-Total Maxillectomy Through Lip Split Approach: A Clinical Study And Review Gunjan Agrawal Dr. Dr. Palak Agrawal Dr. Dr. Vivek Chaudhary Dr. April 2023 12 4 01 02