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Classroom fillings could save Kids' teeth and money

NCT ID NCT05766696

Disease control Sponsor: DMG Dental Material Gesellschaft mbH 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at two methods for placing glass ionomer fillings in the back baby teeth of 200 South African children aged 4-8. One method is done in a classroom using hand tools (ART), the other in a mobile clinic with standard equipment. Researchers will track how long the fillings last and which approach is more cost-effective over two years.

What this could mean

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

Active substance
glass ionomer restorative material
What this could lead to
If successful, this could show that a simpler, classroom-based filling method works just as well as a clinic-based one, making dental care more accessible for children in rural areas.
What could go wrong
This is a small, early-stage study in one region, so results may not apply everywhere. The fillings may not last as long as hoped, and the simpler method might prove less durable.

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

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2025

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

4 to 8 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.

General Inclusion Criteria: * Children (4-8 years of age) * Guardians have given informed consent * Child is cooperative and assented Inclusion criteria for teeth * Cavity \> 1 mm * Tooth has no pathological mobility * Tooth has no preexisting developmental defects * Tooth has no pulp exposure or is indication for endodontic treatment * No pain, fistula or abscess related to the selected tooth Exclusion criteria for teeth * Cavity \> 1 mm * Tooth has no pathological mobility

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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.

Dental caries

Contacts and locations

Locations

  • Nyameko and Itsitsa Primary Schools

    Mfuleni, Western Cape, 7100, South Africa

More trials for these conditions

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