I had a filling replaced last week after it just fell out while I was flossing my teeth. It was quite a big one and then he drilled more to replace it. The new filling fell out today while I was eating. I am so scared that the dentist won't be able to replace it again as there isn't much tooth left. Would he be able to crown it if not fill? I'm really panicking as it would show if he took this tooth out.