Perio & Hygiene Randomised controlled trial ✓ Peer reviewed

Can a 3% Hydrogen Peroxide Dentifrice Promote Tooth Whitening? A Randomized Clinical Trial.

Journal of dentistry · Santos ME, Carvalho de Azevedo DAI, Silva do Nascimento VG, de Pontes Santiago Xavier B, Meireles SS · 2026-08-24

A randomized trial found that brushing with 3% hydrogen peroxide toothpaste produced less tooth whitening than 10% carbamide peroxide gel over one month, though it caused less tooth sensitivity and similar gingival irritation.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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