I wouldn’t be surprised if some dentists are just trying to make up for their lost wages over the last 3+ months.
My wife had never had a cavity her entire life. We moved to another state and she found some dentist. He cleaned her teeth and said he found 4 cavities that needed to be filled.
She called her old dentist that explained things to her (he had some explanation that he had seen those areas but they weren’t cavities). We found another dentist. I think she is still cavity free.
Not mine.