Site of previous lateral and sinus augmentation. Limited B-L width of bone in the 14/15 sites, densah drills used to expand bone after about 3.0mm drill, 15 no entry into sinus chamber, 14/15 implants placed with bone around them but thinner buccal bone. 16 entry into sinus chamber with densah drills, packed allograft, good pushback of bone, implant placed, buccal region 14/15 grafted with allograft and membrane.