My plastic filling got loose a few days ago and fell out yesterday. In the past this tooth was drilled and filled two times, 4 and 1 years ago. I don't drink, smoke or take any meds, but I do like sugary food. Now I completely cut down on everything sweet, but I still feel really bad about this, like having a time bomb in my mouth. I went to get an appointment at a completely new dentist. They asked me if it hurts, I said not much, so I got the appointment in two weeks' time without further questions. Just by the looks, how serious is this? Should I not look for a more urgent appointment? Also, can you tell me what to expect? I would very much prefer to keep the tooth alive, is it possible to fill this once more without a root canal?