Dentemax No Refund if You Cancel Norcross Georgia

Signed up for Dentemax at the advice of my dentist.  

I never saw in the application or anything received that said if I cancelled there was no refund.  I tried to cancel today, over 9 months left because I switched dentists and I cannot get a refund.  I can go see a doctor that is part of the dentamax program but not the one I want.  So basically they are getting my money for months and I get nothing.  In my opinion all companies should give a refund.  Especially something like this - where they aren't providing anything for months and yet they keep my money.