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Drawing of the process of achieving spinal fusion: (a) the degenerated disc diagnosed by means of imaging, (b) discectomy of the degenerated disc, (c) stabilization of the spine by insertion of a cage (to maintain the disc height as a spacer) and the addition of an osteoconductive and/or osteoinductive filler material; optionally, BMP2 may be added, coupled with or without a biomaterial.
