Ds is 7 yo. Has never had a cavity. Today he was eating dinner and when he bit down he suddenly screamed in pain. He is pointing to an adult tooth and insisting that something is wrong with it. He says it feels "like it broke." He was eating a bean buritto -- nothing hard or chewy at all. His tooth looks perfectly fine. Really fine. Not loose. No dark spots or anything. I touched his gums and asked if the pain was there, and he said "No, not the skin. Just the tooth." He said it was fine all day until that moment when he bit down on his dinner. At anyrate, he's sitting in the familyroom with tears gushing down his face, and I have no idea what to do for him.
Any thoughts on what is wrong? I'm worried!