I’m so sorry to hear of all your dental problems. I’d get in touch with your local dental association, or with your local dentist to find out if they run any, or are in touch with any charitable organizations. Many dental associations hold charitable events where they provide free dental care to people who need it or may know of other programs that could help someone in your position. Hopefully, if you can reach out to one of these programs they will be able to suggest a solution for your problem.