I can totally sympathize with you on this. I was a tooth grinder from 12 years until I got my amalgams removed in my 30's.  I believe the grinding was either bad dental work or the amalgams themselves.  Find out what is under the crowns.  Do I understand correctly that you have root canals?  If so, please read up on the ...

Milk thistle helps some people but not all.  I had severe problems with my liver and spent an absolute fortune trying to clean it up.  I was living in Germany at the time and was prescribed milk thistle but had no results with it. I did many therapies.  Too many to list here but I can email you the document if you like: ...