Acompanhamento a médio prazo da reconstru？？o acetabular com enxerto ósseo liofilizado bovino e dispositivo de refor？o

objective: to report clinical and radiographic graft incorporation capability of bovine freeze-dried bone grafts. methods: twenty five patients were enrolled. the mean follow-up was eight years. grafts were purified and freeze-dried. clinical analysis was based on the score of merle d'aubigné and postel and an established score criteria for radiographic bone incorporation was used for radiographic analyses. results: good clinical and radiographic results were found in 80% and 72% of the cases, respectively. conclusion: bovine freeze-dried grafts can be safely and adequately used in acetabular revision in total hip arthroplasty.