Whitening without the ouch? study tests best way to brighten smiles

NCT ID NCT07173296

Recruiting now Symptom relief Sponsor: King Abdullah University Hospital Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looks at whether using a tooth-whitening gel in one long session or several short sessions changes how much tooth pain people feel and how white their teeth get. About 60 adults with darker teeth will receive one of two common whitening gels. Researchers will measure pain using simple scales and check color changes with a shade guide and a special device.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: tooth bleaching gel (hydrogen peroxide 37.5% or 40%)
What this could lead to: If successful, this could help dentists choose a whitening method that causes less tooth pain while still working well.
What could go wrong: This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. Tooth sensitivity is still possible with any bleaching method.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for TOOTH SENSITIVITY are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

allergic disease dentin sensitivity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

TOOTH SENSITIVITY

Contacts and locations

Locations

Jordan University of Science and Technology
RECRUITING

Irbid, Jordan

More trials for these conditions

Other studies related to the condition(s) this trial covers.