What’s wrong with a toothache when I eat something cold or hot?

A toothache when eating cold or hot may be caused by dental caries, pulpitis, tooth sensitivity, cracked teeth, etc. It is recommended to go to the dentist for examination and treatment in time.
1. Dental caries should be repaired in time to avoid the phenomenon of pulpitis.
2. If there is pulpitis you should do root canal treatment in time before repairing the tooth or crown restoration.
3. For teeth that are sensitive due to wear and tear, wedge-shaped defects, etc., it is recommended to eat as little hard food as possible, and restorative treatment can be carried out to prevent further wear and tear if necessary.
4. Teeth with hidden cracks can do laser desensitization or drug desensitization, commonly used drugs can be silver nitrate or strontium chloride, etc., if necessary, you can also abrade the cracks repair, hidden cracks are serious and can not be retained, you can choose to extract the affected teeth.