Influence of Different Protocols on In-Office Bleaching: Whiteness Difference and Hydrogen Peroxide Penetration.

J Esthet Restor Dent · 2025 · PMC12457872 · PMID 40557560

Europe PMC DOI

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closest p · 0.0× alpha

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highly significantp < 0.00000001actually significant

All bleaching groups exhibited a highly significant and greater whitening difference compared to the control group (data not shown; p < 0.00000001, as determined by Dunnett's post hoc test).

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