Frequent toothache should seek timely medical treatment to find out the specific disease of the tooth to treat the symptoms. Toothache may be caused by dental caries, clinical treatment of dental caries is mainly the use of high-speed turbine drilling machine, the body of the infected hard tissue removal, and then fill the cavity with filling materials, usually composite resin and glass ionomer filling materials, can effectively relieve pain. Severe pain in the tooth may be suffering from pulpitis or apical periodontitis, the treatment of these two diseases is to do root canal treatment, through the formal root canal treatment so that the infected pulp cleaned up, the pain will disappear. A toothache can also be caused by periodontitis, which requires periodontal treatment, such as ultrasonic scaling, subgingival scraping, and periodontal rinsing and medication. A toothache can also be caused by a fractured tooth, in which case an X-ray of the root apex should be taken to see the location of the fracture, and if the fracture is deep, the tooth usually needs to be extracted.