This was especially true with the old metal based fillings (gold, silver, etc). The metal contracts and expands a miniscule amount with heat and cold. Eventually they end up cracking the tooth. The larger the filling, the worse it is.

I am on crown #5 because of that asshole dentist when I was 23. Oh and a nice plus is they were extremely sensitive to temperature and randomly hurt like hell. At $1000 per crown it’s not fun on the pocket book.

The last major antitrust action on this scale in the U.S. 8 years to process.

https://en.m.wikipedia.org/wiki/Breakup_of_the_Bell_System

This type of lawsuit is why the billionaire bro’s are backing the senile rapist and felon. Making them play somewhat fair ruins their business plan.