What happens if my tooth hurts after chewing on hard food?

See dentist : You may have decay, a cracked or broken tooth. You should see a dentist about this and this treated. Delay will make things worse, more complicated and more costly.

Painful tooth: Tooth pain from chewing usually indicates a fractured tooth. However, it may also be from a deep cavity, an infected nerve, or a periodontal (gum) infection. It is impossible to know for sure without an examination and x-rays. See your dentist.

If the pain : Is progressive, builds up while you are chewing it could be a referring pain from the muscles and no tooth treatment is need it. Rec. See your dentist to rule out the tooth pain.

Pain on chewing: Pain on chewing could be caused by many things. It could be as simple as a sore tooth from bruxism. Other possibilities are a fractured tooth, a broken filling or a tooth that requires root canal therapy. See a dentist who can evaluate the tooth and tell you both what is causing it and how best to treat it. It is better to have it checked out even if the pain subsides.