Dental Nation
Question and answer

Bicarbonate of soda and teeth whitening

Bicarbonate of soda can remove some surface stain by mild abrasion, but it does not bleach the tooth or change its internal colour.

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Can bicarbonate of soda bleach the inside of a tooth?

Bicarbonate of soda can remove some surface stain by mild abrasion, but it does not bleach the tooth or change its internal colour.

How does peroxide whitening differ from bicarbonate polishing?

Tooth whitening changes colour mainly through peroxide-based materials that break down stain molecules within enamel and dentine; bicarbonate mainly polishes the outer surface.

How can frequent abrasive cleaning harm teeth?

Using a loose powder or abrasive mixture too often can wear enamel or expose dentine, especially with forceful brushing or acidic erosion.

Frequently asked questions

Can home care cure the underlying problem?

Home care can reduce irritation and symptoms, but decay, infection, cracks, and persistent lesions need diagnosis and treatment.

What information should I bring?

Note when it began, what triggers it, where it is, what makes it better or worse, and any swelling, bleeding, trauma, or medicines.

Who wrote this page

This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.

This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.

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