What does hydrogen peroxide do for teeth

Hydrogen peroxide can oxidise some tooth stains and is used in controlled concentrations in certain whitening and oral-care products.

The compound releases reactive oxygen that can alter coloured molecules in the tooth surface or within enamel. Concentration, contact time, formulation, and the condition of the gums and enamel affect the response.

The compound releases reactive oxygen that can alter coloured molecules in the tooth surface or within enamel. Concentration, contact time, formulation, and the condition of the gums and enamel affect the response.

The exact material, location, exposure, and symptoms determine what the finding means clinically.

Do not use a household product as a mouth rinse or whitening treatment without professional advice. A dental clinician can inspect decay, cracks, gum inflammation, and restorations before selecting a formulated product or in-office method.

Keep the area clean and follow the product or appliance instructions rather than increasing exposure or pressure.

Seek care if peroxide causes burning, peeling tissue, significant sensitivity, or gum whitening that does not settle after stopping. A dark single tooth also needs assessment for pulp injury or decay.

A clinician can examine the tissues directly and decide whether imaging, cleaning, restoration, or another treatment is needed.

Ask what concentration and delivery method are appropriate, whether you have exposed dentine, and how crowns or fillings will affect the final shade.

Ask what the examination found, which options address the cause, and what changes should prompt a faster review.