This is a typical symptom of tooth sensitivity - soreness caused by encountering hot, cold, sour and sweet foods. So what is the reason why we experience tooth sensitivity? There are the following points:

First, not paying attention to oral hygiene, such as not brushing your teeth regularly and carefully, can lead to dental caries; second, often eating sweets, drinking desserts, and drinks can lead to dental caries; third, tooth enamel Hypodevelopment; fourth, damage to the teeth, such as excessive wear and damage caused by unscientific use of teeth; fifth, tooth cracks, etc.

When this happens, it is recommended that the patient should go to the endodontic department of the local dental hospital as soon as possible. A doctor will check whether he has caries. Once found, he should deal with it actively and in a timely manner. Able to control the disease at its current stage. Caries is a chronic, progressive and destructive disease of the dental hard tissue that occurs under the action of bacteria. It will first appear as a change in color, and then gradually develop into the substance of the dental tissue. For permanent defects, once the caries reaches the dentin, symptoms of sensitivity to cold and heat will appear. The above problems can be solved by completely removing the decayed tooth tissue and performing dental filling surgery.