Fig. 1.

Block shaped scaffold of rattan-wood based not-sintered hydroxyapatite and beta-tricalcium phosphate material (b.Bone™, GreenBone ORTHO S.p.A Faenza, Italy) with a size of 40x30x10 mm (A). Defect at the left iliac crest after tricortical bone graft harvesting with a defect size of 30 × 20 × 10 mm. Customizing of the biomaterial with oscillating saw for press-fit implantation by shortening of the block by 9 mm (C) and press-fit insertion of the scaffold into the defect with a pestle (D). Press-fitted implant into the iliac crest (E). Uneventful wound healing without excessive scar formation after 12 weeks over the left iliac wing (F). Post-operative X-ray showing complete filling of the iliac crest defect after tricortical bone graft harvesting with correct placement of the scaffold biomaterial (G) with clearly visible bone-implant interface (arrow). Post-operative X-ray after 8 months revealing fragmentation and good bony integration of the scaffold with bone bridging of the bone-implant interface region (arrow) from the surrounding host bone into the implant (H).