Could a daily probiotic spray beat cavities in kids?
NCT ID NCT07241052
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a probiotic spray containing good bacteria can help prevent and treat cavities in children. 130 kids aged 7-10 will use the spray or a placebo twice daily for 3 months. Researchers will check if it reduces harmful mouth bacteria and slows cavity growth.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Bacillus subtilis and Bacillus clausii probiotic spray
What this could lead to
If it works, this could offer a simple, non-invasive way to help prevent cavities and improve oral health in children.
What could go wrong
This is an early-stage study with only 130 children, so results may not apply to everyone. The effect may be small, and cavities could still occur.
Disclaimer
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Thanh My Primary School
RECRUITINGHà Nội, Sơn Tây, 100000, Vietnam
Contact Phone: •••-•••-•••• Email: •••••@•••••