I had a conversation with a woman today, who told me her friend is a dentist. He says that in 20 years as a dentist, he has never seen anything like it.
People's teeth are rotting and falling out. He has had to pull more teeth, both adults and children, than anytime in his career.
He says he believes it is due to the constant wearing of face masks.
I had heard similar reports over the last year. My theory is that it has to do with how carbon dioxide reacts with water to form carbonic acid and the high levels trapped behind the mask are creating a very acidic environment all day long.
https://edu.rsc.org/experiments/the-reaction-of-carbon-dioxide-with-water/414.article
Ok, maybe the cause.