That has to be some kind of discrimination.I'm so sorry you have to go through this. I'm my experience with dentists for DH, they are way more difficult to deal with them Drs. I think they also told me I have to pay out of pocket whenever they didn't want to do his teeth. Because they never gave me the option to fill out insurance papers. And I have won insurance claims in front of a judge. By not letting me have that option, they effectively got rid of us.
