Abstract
This study was a clinicostatistical analysis of 16 patients treated for elevation of 22 maxillary floors with autogenous iliac bone grafts, and in whom placement of 33 implants was performed in the posterior maxilla. The longest follow-up period was 59 months. Patients requiring maxillary sinus floor lift were hospitalized, and the procedures were performed using an anterior approach under general anesthesia. All reconstructions were done by autogenous iliac bone. None of the patients that had in volvement of the iliac site complained of severe postoperative pain or difficulty in walking. There were 3 cases of immediate implant placewent, 5 cases of placement after 6 months, and 1 case of placement after a year. Seven cases are awaiting placement of implants. The average quantity of needed autogenous bone was 6.2 ml.
