I had an experience that took over 4 months of back and forth, forth being me, back being them marking my ticket as taken care of without doing anything. I finally just created a new account, changed the name of the old one and used that name for the new one.
Had another experience where the account was fixed after two unanswered tickets without a word said to the person. So you may have a few days, a week, a few months, maybe forever of being suspended without getting an actual account banning. Twitter may have excellent interaction with their 3rd-party developers, but their customer service blows.