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A 39-year-old female asked:

Is it safe to use or gargle with hydrogen peroxide for white teeth? what if you accidentally swallow some?

4 doctor answers5 doctors weighed in
Dr. Oscar Novick
Pediatrics 58 years experience
No problem: No harm done if you swallow peroxide. It dissolves into water.
Dr. Mark Taylor
Dermatology 47 years experience
Small amount OK: A small amount (few cc's) should not cause a problem. Don't drink it!
Dr. Mark Ryan
Dentistry 40 years experience
No: All chemical reactions are a function of time, temperature, and concentration. Hydrogen peroxide straight from the pharmacy will burn soft tissue. Gargling does not afford teeth bleaching.
Dr. Gregory LaMorte
Periodontics 42 years experience
Sorry: It will not whiten your teeth and will not hurt you if you swallow it.

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Last updated Nov 12, 2016

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