I just hope I don't end up in a Cardie prison. I like all my teeth were they are.
If you are a loyal friend to the union you will have nothing to fear. If not...well agent Neryrs Ghemor has hinted at what would happen.
As for the Romulans? As of 09:00 hours Central Command time both Romulus and Cardassia have signed a join pact againist the awful tyranny of Rick Rolling and have pledged to fight together in order to eradicate this scourge from the Galaxy forever.
(also Herkimer Jitty is correct, it is only your upper molars that are taken by the state, for the purpose of citizen identification. As to what actually goes on in a Cardassian POW camp? I'm afraid that information is classifed.)