The working procedure of scenario “B” contains 5 steps
– Flap design
– Performing the osteotomy
– Elevating the sinus membrane
– Filling the sinus cavity
– Placing the implant and closure
Scenario B indicates a a follow-up procedure of Scenario A, 5 months post-op, or an initial phase where the bone height is 4mm or more, which allows to perform grafting and implant placement at the same time.