Sometimes, after contact with something cold or hot, a sharp toothache occurs, even without any visible damage to the teeth. This is tooth sensitivity. It can be reduced by improving your quality of life, according to the Ukrainian medical community website. Why does tooth sensitivity occur The term “tooth sensitivity” suggests that nerves are involved. A particular stimulus, such as a hot drink, causes pain when the mineralized tissue of the tooth, dentin, becomes exposed. There are various causes for this: CavitiesA crack in the toothGum diseaseErosion (wear), where the gum tissue separates …