I had an OAT procedure in my knee 6 months ago or so. After living with arthritis for almost 6 years I finally have no pain. Will it last for 30 years or more?

I had an OAT procedure in my knee 6 months ago or so. After living with arthritis for almost 6 years I finally have no pain. Will it last for 30 years or more? I don’t think so, but for now it’s the best that happened to my knee in a long time.