Crown came of with screw attached

[Over60]

crown fitted over 30 years ago unfortunately it came of last night, don’t know if I did the right thing but but it back stayed put up to yet.
I am not registered with a dentist rang 111 and they gave me numbers to ring in theMorning, I feel really embarrassed not been to a dentist for years have a real dread I would be most grateful for any advice

 

[honestdoc]

I can only speculate without x-rays, images, and thorough exam. The fact that you haven't seen a dentist for a long time makes us only guess at the status of the tooth. Best case, the tooth is savable and just needs re-cementation. Worst case, it needs extraction.