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What are toothpastes for sensitive teeth?

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For people who have teeth that are easily irritated -- for instance, by hot or cold temperatures -- there are toothpastes available that are made for sensitive teeth. These toothpastes usually contain potassium nitrate or strontium chloride. These chemical compounds, which can take up to 4 weeks to offer relief, help tooth sensitivity by blocking pathways through the teeth that attach to nerves inside the teeth.

SOURCES:

American Dental Association: "ADA Seal of Acceptance Program."

American Dental Association: "Keeping Teeth Bright and Healthy."

University of Maryland Medical Center: "Oral Health: Brushing and Toothpaste."

University of Maryland Medical Center: "Oral Health: Fluoride."

U.S. Food and Drug Administration: "FDA Advises Consumers to Avoid Toothpaste From China Containing Harmful Chemical."

Reviewed by Michael Friedman on July 31, 2017

SOURCES:

American Dental Association: "ADA Seal of Acceptance Program."

American Dental Association: "Keeping Teeth Bright and Healthy."

University of Maryland Medical Center: "Oral Health: Brushing and Toothpaste."

University of Maryland Medical Center: "Oral Health: Fluoride."

U.S. Food and Drug Administration: "FDA Advises Consumers to Avoid Toothpaste From China Containing Harmful Chemical."

Reviewed by Michael Friedman on July 31, 2017

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