Figure 3: Reconstruction of mandibular and maxillary defects with freeze-dried structural allografts. (A.) Bone defect in area of tooth #10. (B.) Bone allograft shaped to obliterate a defect and secured in place with screws. (C.) Grafted site uncovered after 5 months shows good healthy bone regeneration. (D.) Fixation screws removed for preparation of implant placement.