Reconstruction of the extremely atrophic maxilla with onlay- and inlay bone graft techniques in combination with implants.

The authors give a review of the literature on the different onlay and inlay bone graft techniques in reconstruction of the extremely resorbed maxilla. Own experiences and results of onlay and inlay bone grafting in combination with implants are described. A treatment protocol used since September 1989 and the outcome of 198 implants placed in combination with different reconstruction techniques are presented.