Eating ice-cream toothache is mostly seen in dental caries, dentin hypersensitivity, wedge-shaped defects, etc., according to the situation of the symptomatic treatment, the treatment is generally resin filling, desensitization, improve the way of brushing and so on. 1. Dental caries: It is a chronic progressive destruction of dental hard tissues caused by bacteria, forming cavities. Once the cavity is formed, it will lead to tooth sensitivity and soreness when stimulated. Therefore, it can lead to sore teeth when eating ice-cream. The treatment is to remove the decayed tooth tissue, prepare the cavity and fill it with resin material. After the cavity is filled, the symptoms of eating ice-cream toothache will disappear. 2. Dentin allergy: due to long-term wear and tear of the teeth, enamel is getting thinner and thinner, dentin is gradually exposed, and the phenomenon of eating ice-cream toothache will occur. Daily use of toothpaste containing desensitizing ingredients, in the sensitive parts of the teeth many times brushing, long time use, can relieve the symptoms of eating ice-cream toothache. Can also drug desensitization, generally need to be operated by the physician, with a small brush dipped in fluoride desensitization drugs, such as composite desensitizer, potassium nitrate, etc., and repeatedly rub the sensitive parts, generally do 2 to 3 times, can improve the symptoms of eating ice-cream toothache. 3. Wedge-shaped defects: brushing the teeth in the wrong way or stress concentration, resulting in defects in the neck of the teeth, due to the defects of the larger, sensitive teeth, there will be eating ice-cream toothache symptoms. The treatment is resin filling, after that, pay attention to change the way of brushing, don’t brush vigorously across. Regular checkups will be conducted and new wedge-shaped defects will be filled in a timely manner. If you have a sore tooth after eating ice cream, you should go to a regular hospital for checkups and follow the doctor’s instructions for treatment.