Ugh , the stupid temporary crown on my tooth fell off today . It was right before lunch at work . As soon as it fell off and my little nubbin of a tooth made contact with air and my tongue it started to hurt really bad .

Question: Why was it hurting ?
Answer: My tongue was hurting because I bit it .None of the above choices .My teeth was hurting because it was in poor shape and made contact with the air .I bit my tongue .