A = The lateral cortical bony window is dissected free and removed from the underlying Schneiderian membrane, which is carefully elevated from the maxillary sinus floor to create a compartment for placement of the graft material.
B = A blood coagulum is formed around the exposed implant tip in the secluded compartment between the elevated Schneiderian membrane and the original floor of the maxillary sinus.
C = The window to the maxillary sinus is covered by the dissected lateral cortical bony window.
D = New bone formation around the implant tip in the previous created compartment.