Condition
Tooth Discoloration clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Tooth Discoloration clinical trials that are recruiting, at sites in 3 countries (most in United States (1), Spain (1), Egypt (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 3Countries
Newest Tooth Discoloration clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Mouthwash with whitening toothpaste vs whitening toothpaste or plain toothpaste for preventing stain buildup | — | Melbourne, Florida | Recruiting | Sep 23, 2026 |
| Peroxide vs Non-Peroxide In-Office Tooth Bleaching | — | Minya, Minya Governorate | Recruiting | Sep 14, 2026 |
| Home teeth whitening with 3D-printed versus conventional custom nightguards | — | Sant Cugat del Vallès, BARCELONA | Recruiting | Mar 11, 2026 |
All recruiting trials (3)
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Mouthwash with whitening toothpaste vs whitening toothpaste or plain toothpaste for preventing stain buildup
This study tests whether using an experimental mouthwash with a marketed whitening toothpaste or with a regular fluoride toothpaste twice daily can better prevent extrinsic dental stain than using a regular fluoride toothpaste alone.
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Peroxide vs Non-Peroxide In-Office Tooth Bleaching
This study tests whether peroxide-based in-office whitening works differently from non-peroxide whitening in adults aged 18–45 with healthy teeth as measured by color change and sensitivity over six months.
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Home teeth whitening with 3D-printed versus conventional custom nightguards
This test sees if at-home whitening with 10% carbamide peroxide works better or feels more comfortable when using 3D-printed custom nightguards compared with conventional vacuum-formed trays for adults with stained teeth.
Quick answers
How many Tooth Discoloration clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in United States (1 trial), Spain (1 trial), Egypt (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.