A member asked:

Can hydrogen peroxide break down or damage cavity fillings or dental cement?

2 doctors weighed in across 2 answers
Dr. Seth Wolfson answered

Specializes in Dentistry

No damage: You are asking about hydrogen peroxide 2% solution over the counter i would assume. I tell my patients who have some form of gingivitis to rinse with it diluted 50% water 50% peroxide. It iis ment to be used as an antimicrobial disinfectant. I have not noticed any negative effects on restorations.

Answered 12/16/2018

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Dr. Maurice Lindly answered

Specializes in Dentistry

No.: Hydrogen peroxide has not been shown to cause any damage to fillings, or dental cement. It has, however, when used as a mouth rinse, been linked to tissue damage and pre-cancerous changes in the epithelium. I would urge you not to use hydrogen peroxide as a mouth rinse. Proper brushing and flossing will clean your teeth without the use of any rinse.

Answered 4/7/2020

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