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New study aims to make your fillings last longer and look better

NCT ID NCT03343184

Symptom relief Sponsor: Universidade Federal Fluminense 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests different ways of applying a dental adhesive and filling material to see which method keeps fillings intact and stain-free for up to 5 years. Fifty adults with cavities or old fillings needing replacement will receive four different filling types. The goal is to find the best technique to reduce filling loss and discoloration.

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

50 people

The number who actually took part.

Started

Jun 2017

Expected to finish

Sep 2026

An estimate. End dates often move.

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 70 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.

Inclusion Criteria: * All patients must have at only 20 teeth in function, must have at only 4 carious occlusal or proximo-occlusal lesions, or old restorations that need to be changed, in different teeth. Those lesions must be more than 2 mm deep, should have exposed dentin, and must have at only 50% of margins in enamel. Teeth should not present periodontal mobility. Exclusion Criteria: * Volunteers with periodontal disease; with gingival bleeding; use of anti-inflammatory drugs in the last 30 days.

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Conditions

The condition(s) this trial relates to.

dental caries dentin sensitivity

As listed by the trial registrant

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

Dental restoration failure of marginal integrity

Contacts and locations

Locations

  • Universidade Federal Fluminense - School of Dentistry

    Nova Friburgo, Rio de Janeiro, 28625-650, Brazil

More trials for these conditions

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