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Spinal fusion is one of the most common surgeries done in the neck or back. The basic idea is to fuse together painful bones in the spine so that they heal into a single, solid bone. In order for bones to fuse or heal together, additional bone is needed. This additional bone is called a bone graft.
There are many bone graft options today. They are often combined together. The graft that is best for your problem will depend upon which section of your spine needs to be fused, your age, and your general health.