Toothpaste showdown: which whitens better in just one week?
NCT ID NCT06957249
Summary
This study tested whether a Colgate toothpaste with 5% hydrogen peroxide whitens teeth better than a toothpaste without hydrogen peroxide. 80 healthy adults with naturally darker teeth used one of the two toothpastes for one week. Researchers measured changes in tooth color using a standard dental shade guide to see which toothpaste worked better.
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Locations
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Consumer Research Consulting, LLC
Melbourne, Florida, 32940, United States
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