Have you ever winced with sudden pain after gulping an icy beverage or slurping a spoonful of hot soup? If so, you're likely one of the 40 million Americans the Academy of General Dentistry estimates experience tooth sensitivity each year. What causes tooth sensitivity? Tooth sensitivity (i.e., dentin hypersensitivity) occurs when tooth enamel wears away, leaving the dentin exposed. This soft, inner part of your tooth houses thousands of microscopic channels that, when ...
