The tooth crumbles

Just as I was thankful that I am free of the pain of toothache and almost looking forward to getting the root canal treatment, a problem developed. I was having a sandwich with malted wheat grain bread. Big mistake. As I crunched into a wheat grain, a large part of my dodgy tooth came loose. So now I have almost no tooth left. I doubt therefore that root canal treatment is possible. Perhaps extraction will be the only option. And will other teeth follow suit. I am reluctant to bite into anything. Mince and tatties for the next week I think until I see the dentist on Tuesday.