Electric toothbrush battle: which brush wins for whiter teeth?
NCT ID NCT05202093
First seen Jan 10, 2026 · Last updated Jun 19, 2026 · Updated 26 times
Summary
This study tested two Oclean sonic electric toothbrushes against a standard manual toothbrush to see which reduces extrinsic tooth stains best. Over 8 weeks, 129 adults brushed twice daily and had their stains measured using a standard index. The goal was to find out if the sonic brushes lead to less staining.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Hongchun Liu
Guangzhou, Guangdong, 510055, China
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Oclean sonic toothbrush (electric toothbrush)
What this could lead to
If successful, this could show that certain electric toothbrushes remove stains better than manual brushing, helping people choose a more effective tool for a brighter smile.
What could go wrong
This is a small, completed trial with no blinding, so results may be biased. Stain reduction is cosmetic and does not affect health. Different results may occur in real-world use.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.