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Which whitening tray do patients prefer? new study compares vivera and essix

NCT ID NCT05835453

Symptom relief Sponsor: Universidad Rey Juan Carlos Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested how satisfied people are with at-home teeth whitening using two different types of trays: Vivera and Essix. Forty adults with healthy teeth used a 10% carbamide peroxide gel for 2 hours a day, 3 days a week, for 4 weeks with each tray. Researchers measured satisfaction, whitening results, tooth sensitivity, and gum irritation.

What this could mean

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

Active substance
10% carbamide peroxide bleaching gel
What this could lead to
If successful, this could help dentists choose the most comfortable and effective retainer for at-home whitening.
What could go wrong
This is a small, completed trial with only 40 participants, so results may not apply to everyone. It focuses on satisfaction and sensitivity, not long-term safety.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

40 people

The number who actually took part.

Started

Sep 2023

Finished

Dec 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

The inclusion criteria will be the following: * Patients over 18 years of age. * Patients with vital teeth without restorations, single crowns, implants and/or bridges at the level of the anterior teeth. * Absence of cavities in the teeth to be whitened. * Patients with satisfactory oral hygiene, and periodontally healthy, who are not undergoing periodontal maintenance and who do not use chlorhexidine rinses. Patients with recessions without sensitivity are included. * Absence of sensitivity, measured based on stimulation with the air from the syringe. * Patients who are at least in A2-A3 color (Vita Classic Guide) The exclusion criteria will be the following: * Patients who have previously undergone whitening (less than 5 years). * Patients undergoing orthodontic treatment. * Patients with white spot or developmental alterations (dentinogenesis imperfecta, amelogenesis imperfecta) or with stains (tetracyclines or fluorosis). * Patients with a history of trauma to anterior teeth. * Patients who require internal whitening. * Smokers. * Pregnant or lactating women. * Allergy to any component of whitening. * Alterations of the oral mucosa (desquamative gingivitis, OLP, leukoplakias, etc.). * Medical conditions considered by the researchers that may compromise the study or the individual safety of the patient. * Patients with poor oral hygiene. * Patients with previous hypersensitivity.

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Conditions

The condition(s) this trial relates to.

dentin sensitivity gingivitis Patient Satisfaction Tooth Discoloration

As listed by the trial registrant

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

Gingivitis Satisfaction, patient Tooth discoloration Tooth sensitivity

Contacts and locations

Locations

  • Clínica Dental Iturralde

    Tafalla, Navarre, 31300, Spain

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