11. An artificial prosthesis or bone graft could be implanted to replace the removed bone. 12. It required a bone graft and a plate that was secured with 30 screws. 13. The process of osseointegration in metal foams is similar to that in bone grafts . 14. It works more reliably than a bone graft taken from the hip, Hospodar said. 15. Earlier techniques used a bone graft as part of reconstruction. 16. The latest surgery Tuesday included a bone graft to complete the reconstruction of the ankle. 17. Bone grafts had been implanted from his hip, and he was determined to walk again.18. Currently the innovative bone graft substitutes are being launched. 19. In early November, doctors operated on Fonville, placing a bone graft onto his cracked vertebrae. 20. A bone graft from his pelvis will be done and new screws will be reinserted.