New study tests which retainer makes teeth whitening more comfortable
NCT ID NCT07208708
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how satisfied people were with at-home tooth bleaching using two different types of orthodontic retainers. Forty adults who had finished Invisalign treatment used both retainer designs and rated their experience. The goal was to see if one design caused less tooth sensitivity or gum irritation while still whitening teeth effectively.
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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
Locations
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Universidad Rey Juan Carlos
Alcorcón, Madrid, 28922, Spain
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