Bilateral sinus augmentation done in 2023, no significant findings at time of surgery nor post op. Post panorex shows good location of bone. Complete loss of graft material. Will try internal and use prf sticky bone using only cortical and xenograft this time. Osteotomy prepared to about 2mm, remainder with densah drills to expand limited B-L width of bone. entry into sinus chamber with CAS-kit drills, no evidence of membrane perforation, packed about .5 cc of bone, good pushback of bone, implant placed, buccal region grafted with the same sticky bone folloewd by collagen membrane with hole cut for implant, healing abutment placed, prf fibrin membrane over crest