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New study tests which dental filling lasts longest

NCT ID NCT07330193

Disease control Sponsor: Mansoura 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 four different tooth-colored filling materials for small cavities on the chewing surface of back teeth. Ten people received each type of filling, and researchers checked how well they held up over two years. The goal was to see which material performed best and might also help prevent future decay.

What this could mean

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

Active substance
flowable resin composite dental filling materials
What this could lead to
If successful, this could help dentists choose better filling materials that last longer and fight bacteria.
What could go wrong
This is a very small study with only 10 participants, so results may not apply to everyone. It also only looked at small cavities on the chewing surface.

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

10 people

The number who actually took part.

Started

Jun 2022

Finished

Mar 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 25 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: •patients with bilateral occlusal small Class I carious lesions * • Good general health. * Patient aging 18-25 year. * Patient available for follow-up visits * Good oral hygiene Exclusion Criteria: Patients with orthodontic treatment * Severe or chronic periodontitis * Parafunctional habits * Sensitivity to resin-based material. * Poor oral hygiene.

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Conditions

The condition(s) this trial relates to.

dental caries enamel caries

As listed by the trial registrant

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

Class I dental caries

Contacts and locations

Locations

  • Faculty of Dentistry

    Al Mansurah, Egypt