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Which filling lasts best? study puts three Tooth-Colored materials to the test

NCT ID NCT06211582

Knowledge-focused Sponsor: Hacettepe University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested three different tooth-colored filling materials for cavities on the sides of teeth (Class II cavities). 47 healthy adults received fillings and were checked after 6 months and 1 year. Dentists rated the fillings on appearance, fit, and any problems like staining or cracks. The goal was to see which material works best in everyday use.

What this could mean

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

Active substance
dental filling materials (Cention N, Equia Forte HT, Gradia Direct Posterior)
What this could lead to
If one material performs better, dentists may have a clearer choice for long-lasting, natural-looking fillings.
What could go wrong
This is a small, completed study with only 47 people. Results may not apply to everyone, and longer-term effects beyond one year are unknown.

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

47 people

The number who actually took part.

Started

Aug 2022

Finished

Feb 2025

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 65 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: * Healthy individuals who do not have any systemic disease that prevents restorative treatment * Individuals between the ages of 18-65 * Brushing your teeth twice a day * Having at least 20 teeth in occlusion and at least 3 approximal lesions with antagonist teeth in the opposite arch * Volunteer individuals who agree to participate in the research and sign the informed consent form and who have undergone initial periodontal treatment will be included in the study. Exclusion Criteria: * Pregnant or breastfeeding women * Individuals with advanced periodontal disease * Individuals using removable partial dentures * Individuals with bruxism * Individuals with malocclusion * Patients with known allergies to resin-based restorative materials and bonding agents * Patients with a history of allergy to local anesthesia * Endodontic treatment, teeth that need pulp capping or endodontic treatment is available

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

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

Caries,dental

Contacts and locations

Locations

  • Hacettepe University

    Ankara, Ankara, 06100, Turkey (Türkiye)

More trials for these conditions

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