The causes of orthodontic toothache are specifically described as follows: 1, toothache caused by tooth decay. If you find a regular dental hospital to find a regular orthodontist, the first situation can be ruled out. However, if you find an irregular hospital, without filming, checking directly to orthodontic, may lead to the original tooth decay in the process of orthodontic attack, began to pain. This situation, if found in the process of orthodontics, should immediately find an endodontist for treatment, to treat the decayed teeth, the pain can be solved in the later stage; 2, just wearing braces or each time for follow-up when the force is added, there will be a short period of 3-7 days of pain, this kind of pain is a hidden pain, the pain is relatively mild, and it will be recovered gradually as time passes; 3, orthodontic force process if the force is too large, it will also cause the patient’s pain, should contact the attending physician in time for treatment.