hey pepper. my fusion in my c spine did not take and it took me 9 months of trying to convince my NSs NURSE that i actually needed to see him(she was a nurse ratchet from you know where?) but as soon as we confirmed the non fusion(the top endplate did fuse just not the bottom) i was back in the OR having hardware placed. it was less than a year,that much a do know for certain. the thing is,my MRI couldn't tell for certain whether i had fusion,the CT stated i actually DID fuse when we know i was not. it took very simple flex and ext type x rays to show the truth. the only way i know now for certain that i did was my third NS who did my spinal cord surgery saw the fusion with his own eyes. i guess you cannot get better than that.
honestly,if you have not yet fused in one years time,i seriously doubt that it would by itself. the addition of hardware is what helped me. but you don;t want to wait too overly long so the endplates just start to seal themselves off as far as having "something" that bone can grab onto and fuse to? i do hope things work out for you pepper. keep us posted. Marcia