IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-9-52562 Original Research Paper Direct Sinus Lift And Immediate Implant Placement Using Piezosurgical Approach- A Case Series Rachana K. Dr. Panchal Anita H. Dr. Mehta Vishrut K. Dr. September 2023 12 9 01 02