Implants Placed With Crestal Sinus Approach Versus Osseodensification in Atrophic Posterior Maxilla

a Full thickness flap will be elevated at the edentulous site with two vertical releasing incision. After flap reflection, the preparation of osteotomy will be prepared following standard implant system protocol preparation of the osteotomy. Drilling will be done gently till reaching 0-1mm from the sinus floor, then implant placement will take place and the implant itself will be used to gently elevate the sinus up to 3-5mm

The implant motor will be adjusted on reverse mode with 800 to 1200 rpm. According to the desired implant dimension, Densah bur diameter will be used and then implant placement.