Treatment of tooth bite pain is handled by situation, as follows: 1, the most typical is periapical inflammation, usually when biting the tooth pain is particularly obvious, and will feel the tooth and grow longer than other teeth, need to go to the oral endodontics for root canal treatment, if necessary, but also oral antibiotics, such as cephalosporin antibiotics, metronidazole antibiotics. If you are allergic to cephalosporins, you can change to clindamycin or erythromycin; 2. Hidden fracture, that is, there is a very hidden small crack on the tooth enamel, usually people are not easy to notice, sometimes biting very fine and soft food will have severe pain, then you should go to the dental department for examination, if you find the hidden fracture, you need to carry out the corresponding treatment. If the fissure is shallow, the cavity can be filled; if the fissure is deeper and has reached the nerve, root canal treatment and full crown restoration are needed; if the fissure is mild and only causes dentin sensitivity, some anti-allergic toothpaste or other fluoride preparations can be applied to help the inner layer of the tooth to form a restoration, which can also reduce the pain.