Do 3D printed aligners harbor more bacteria? new study investigates
NCT ID NCT07143370
First seen Nov 01, 2025 · Last updated Apr 29, 2026 · Updated 26 times
Summary
This study looked at whether 3D printed clear aligners collect more bacteria on teeth and aligner surfaces compared to conventional aligners. Thirty participants wore both types of aligners, and researchers swabbed their teeth and aligners to measure microbial colonization. The goal was to understand if the material affects oral hygiene, not to treat any disease.
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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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Locations
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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