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Which glue holds Kids' crowns best? new study aims to find out

NCT ID NCT07152561

Disease control Sponsor: Cairo 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This study will test two types of dental cement—bioactive and resin—to see which one works better for putting zirconia crowns on children's front teeth. Sixty kids with cavities in at least two baby teeth will get crowns, and researchers will check how well the crowns stay on, if they break, and how the gums look. The goal is to find the best option for keeping kids' teeth healthy and strong.

What this could mean

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

Active substance
Predicta® Bioactive Cement and resin cement
What this could lead to
If one cement works better, it could lead to longer-lasting dental crowns for children, reducing the need for repeat treatments.
What could go wrong
This is a small, early-stage trial with only 60 children, so results may not apply to all kids. Both cements are already used, so no major breakthrough is expected.

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 60 people

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

Expected to start

Aug 2025

An estimate. Start dates often move.

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

3 to 5 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: * Patients who had no history of allergies * Children who had at least two carious primary incisors. * Teeth with multi-surface carious lesion. * Teeth with no percussion or palpation sensitivity * Teeth with no abscess and/or fistula * Teeth with no prior pulpal treatment * Teeth with no mobility or signs of periodontal disease Exclusion Criteria: * Children with congenital developmental defects (such as amelogenesis imperfecta and dentinogenesis imperfecta) * Children with a history of bruxism, trauma or infraocclusion * Children with a skeletal or dental malocclusion

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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 in children

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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