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A member asked:
Why does toothpaste relieve itching?
4 doctors weighed in across 3 answers
Toothpaste: It does have "numbing" substances that are used particularly for people with sensitive teeth. I don't remember the names of those but you can read about them on the toothpaste brand used for sensitive teeth.
Answered 7/20/2017
4.9k views
Toothpaste : Toothpaste is primarily a detergent with minor abrasives and usually Fluoride added. I'm guessing it is the cleansing solution and the manual action of the toothbrush that is relieving the itching.
Answered 6/25/2015
4.9k views
Disagreeing with MD: Tooth paste has no numbing or anesthetic in it. The active ingredients in "sensitivity" toothpastes are strontium acetate, potassium nitrate or fluoride. They act to depolarize nerve endings, plug the mircrotubules of the dentin of the tooth.
Answered 9/29/2016
4.9k views
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