How to get a tooth loose?

I suggest you wash your hands before you attempt to extract a tooth manually with your hands (for sanitation reasons). If you can tolerate some pain, attempt to grab the tooth at the base of the gumline and wiggle it gently back and forth. Be sure you are not grabbing or tearing at your gums with your fingernails since this can cause problems and a large amount of pain. If you wiggle the tooth enough, it'll eventually become loose enough that you can extract it yourself. Even if you cannot extract it in time for your dental appointment, your dentist can safely extract the tooth for you with minimal pain (which is the safest route). Good luck!