I love roast chestnuts, but I'm a bit wary of them since I broke a tooth eating one. A very expensive dental bill followed, as I had to have an extraction. The root didn't come out with the remainder of the tooth, and I had to have surgery to remove it completely
I had that issue on a root canal. My tooth had an unusual third root that they missed the first time. It will make you think twice next time you eat one. At least you got a nice shot of it.