Tooth Sensitivity, Known as Dentin Hypersensitivity
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Do your teeth hurt when you take a bite of piping hot food? How about when a cold breeze rushes by your face? If so, you probably have tooth sensitivity (also known as dentin hypersensitivity). Tooth sensitivity can be caused by damage to teeth near the nerve. It’s called dentin hypersensitivity because dentin is the layer of your tooth that sits between the enamel (outer layer) and internal nerve (root layer). Dentin contains tubes that travel from the root to the surface, delivering essential nutrients to the protective coatings of your teeth.