Figure 3: Modified inlay OSFE with CGF application and concurrent implant placement.

Edentulous alveolar ridge in the left maxilla before surgery (in mirror) (a); trephine was advanced to a depth 0.5 to 1 mm away from the sinus floor (b); CGF was packed into the space under the sinus membrane (c); the alveolar bone core was then fractured and displaced apically with an osteotome (d); The Schneiderian membrane was elevated with proprietary sinus membrane elevators (e); the cover screw was placed (f); after suturing (g); abutment placement 6 months later.