This worried me when I ran my tongue over it. We took an X‑ray, and she said that the old filling was starting to deteriorate a little and decay was beginning to form inside the tooth. But she warned that the decay was right on the nerve, and it might happen that after she removed the old filling, it would become clear that the nerve needed to be removed. To remove the nerve, you need to take out the filling, put medicine in there for a week, and then treat the tooth. I told her I didn’t have time — I was leaving. She’s leaving too. We agreed to have this tooth treated when I get back. And today she treated another one for me — I didn’t ask for it, but it’s necessary too