We have had people on the forum get ADR when they were bone on bone with no disk space remaining. The fear there isn't the disk space but that the lack of disk space might trash the facet joints (which aren't replaced during ADR) and prevent you from being able to get ADR at all.
Distraction pain, which is the pain from being stretched to push the ADR in place, is much greater the smaller your disk space is when you get the ADR but that is something that eventually subsides.
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Laura - L5S1 Charitee
C5/6 and 6/7 Prodisc C
Facet problems L4-S1
General joint hypermobility
Jim - C4/5, C5/6, L4/5 disk bulges and facet damage, L4/5 disk tears, currently using regenerative medicine to address
"There are many Annapurnas in the lives of men" Maurice Herzog
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