What’s wrong with a tooth that hurts when it’s hot or cold?

Tooth pain in the heat and cold may be caused by dental caries, pulpitis, periodontitis and other reasons.
1. Dental caries: If there is dental caries, when the cavity is deeper, it is easy to damage the dentin, resulting in the exposure of dentin, which may lead to tooth pain in both hot and cold.
2. Pulpitis: due to the presence of inflammatory infection in the pulp tissue of the local teeth, under the stimulation of inflammation, it may cause symptoms of toothache, especially when the tooth is exposed to cold or heat, the pain symptoms are particularly obvious.
3. Periodontitis: the main function of the periodontal tissue is to nourish, support and fix the teeth, when there is periodontitis disease, it is easy to lead to the gums and soft tissue and deep supportive tissues are damaged, which may cause toothache, especially when the teeth are exposed to heat or cold, the pain symptoms are obviously aggravated, and the severe cases may be accompanied by tooth loosening, loss and other manifestations.
If your teeth hurt when you are hot or cold, we recommend that you seek medical attention as soon as possible to clarify the cause and then have your doctor guide your treatment and regimen.