Figure 4 - (i) Crestal bone levels of the three premaxillary root form implants and, (ii) panoramic view of the patient with the prosthesis in function two years after implant placement.
From the following article
Rehabilitation of severe maxillary atrophy with zygomatic implants. Clinical report of four cases
B. Aghabeigi & V. A. Bousdras
BDJ 202, 669 - 675 (2007) Published online: 9 June 2007
doi:10.1038/bdj.2007.479

There is new bone formation in both the right and left maxillary sinuses around the zygomatic fixtures following sinus floor augmentation with Bio-Oss
