Sore teeth should be treated with desensitization, filling and restoration, full crown restoration, etc. depending on the situation. 1. Desensitization treatment: Teeth soreness caused by dentin allergy needs timely desensitization treatment. Usually try to eat less hot and cold food, and use warm water to brush teeth and rinse mouth, which can reduce the symptoms of soreness. 2. Filling and restoration: For toothache caused by dental caries, clean up the decayed tooth tissue and then fill and restore it. The tooth soreness caused by cervical wedge-shaped defects, the defective tooth tissue grinding, and then fill the composite resin. In case of soreness caused by hidden cracks, if the cracks are relatively shallow, the cracks will be removed and then filled with composite resin. 3. Full Crown Restoration: If the crack is deeper, root canal treatment will be carried out on the tooth first, and full crown restoration will be carried out at a later stage to prevent the tooth from splitting. Soreness of the tooth in time to the hospital, under the advice of the doctor to choose the best treatment program.