[Harrison]

Thanks for your kind words. I searched through some helpful topics for you, these may be of interest:

ADR Risks, Complications, Disqualifications

Degree of Facet disease before turned down for TDR

Is ADR the best option at L5-S1????

ADR - Would You Do It Again???

ADR Risk - "facet" issues?

There are many more posts, of course, but these are a good start. Hope this helps.