May 12, 2025
Why Your Teeth Feel Sensitive and What You Can Do About It
Your teeth are protected by enamel—the hard outer layer. When enamel is worn down or gums recede, the underlying layer called dentin becomes exposed. Dentin connects to the nerves inside your teeth, so when it's triggered by hot, cold, sweet, or acidic substances, it can result in a sharp pain or lingering discomfort.
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