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Ouch! Do I Have Sensitive Teeth?  pleasantondentaloffice.com

in Dental Care by Addison Cooper

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 left unprotected, allow stimuli to reach the nerves causing pain.