What reason is tooth afraid of cold

summary

People who are afraid of cold teeth are mostly allergic to teeth. Tooth allergy this kind of reaction is the dentin that the patient has allergy commonly. In the tooth contact with the external stimulation, such as temperature changes, chemicals, sweet and sour taste, etc. will produce allergic reactions, some people even feel painful because of tooth allergy. This kind of tooth allergy generally occurs very quickly, and the time is relatively short. If it is a slight tooth allergy, then generally do not need to deal with, as long as the appropriate attention to living habits can avoid the occurrence of allergy.

What reason is tooth afraid of cold

First, the fear of cold teeth is mostly caused by people's endodontic nerve's sensitivity to temperature. The occurrence of this phenomenon has to start from the tooth mechanism. There are many small cavities in human dentin, which can be connected to the human pulp nerve. When the temperature stimulates the human pulp nerve through these cavities, the teeth will be afraid of cold, that is, allergic reaction occurs.

Second: since there are cavities on people's teeth, why do some people fear cold teeth while others don't? In fact, this is because some patients may lack comparative protection of teeth for a long time in daily life. When eating, they rub their teeth no matter how hard they are, and eventually these cavities may become larger and can't be repaired It's easier to react poorly to temperature changes and make teeth afraid of cold.

Third: teeth are afraid of cold. In addition to the problem of tooth cavity becoming larger due to wear and tear, some diseases of teeth slowing down can be caused, such as gingival atrophy and gingival exposure. It is suggested that patients should use high-quality toothpaste and health toothbrush at ordinary times. Correct brushing can avoid tooth wear and prevent tooth allergy.

matters needing attention

Patients with cold teeth must pay attention to the correct brushing time. Generally speaking, the best brushing time is about three minutes, which can make the effective ingredients of toothpaste immerse into the diseased part and repair the cavity of teeth, so as to have the effect of treating cold teeth.