Zinc toothpaste takes on bad breath in new study
NCT ID NCT07398378
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a toothpaste with zinc citrate reduces bad breath better than a regular fluoride toothpaste. About 80 adults with moderate to strong bad breath will brush with one of the two toothpastes for three weeks. Researchers will measure breath odor using a panel of trained judges.
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Locations
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West China Dental Institute of Chengdu
Chengdu, Sichuan, 610041, China
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