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Which fillings and crowns survive two years in a Child's mouth?

NCT ID NCT07827833

Knowledge-focused Sponsor: Tanta University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 18, 2026 · Last updated Sep 18, 2026

Summary

Many young children with extensive tooth decay or special health needs receive full-mouth dental repair under general anesthesia. Dentists use a mix of fillings, crowns, and other materials, but little is known about how well each option holds up over time. This study follows 180 children for two years after their dental rehabilitation to record which restorations fail, why they fail, and which materials perform best.

What this could mean

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

What this could lead to
If researchers learn which materials hold up best, dentists could choose fillings and crowns that last longer and spare children repeat visits and repeat anesthesia.
What could go wrong
This is an observational study, so it cannot prove one material causes better outcomes than another. Results may reflect the specific children treated and the skills of the clinicians involved, and they may not apply to every dental practice.

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.

Participants

About 180 people

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

Started

Aug 2025

Expected to finish

Sep 2027

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.

Who is studied

The study population will consist of children aged 3-6 years who require comprehensive full-mouth dental rehabilitation under general anesthesia because of extensive dental caries and/or extensive restorative treatment needs. Participants will receive restorative and full-coverage dental treatments as part of routine clinical care, with the selection of restorative materials and treatment methods determined by the treating clinician according to the child's clinical needs. Participants will be prospectively followed for 24 months to evaluate the clinical performance, survival, and failure rates of the restorations placed during dental rehabilitation.

Ages

3 to 6 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: * Children requiring comprehensive/full-mouth dental rehabilitation under general anesthesia because of extensive dental treatment needs. * Children receiving restorative and/or full-coverage dental treatments as part of routine clinical care. * Children whose parents provide written informed consent for participation and follow-up. * Children whose planned treatment allows clinical evaluation of the restorations for the intended 24-month follow-up period. * Children whose parents or legal guardians are willing and able to attend the scheduled follow-up visits for up to 24 months. Exclusion Criteria: * Children for whom the planned dental rehabilitation cannot be completed because of medical or anesthetic considerations. * Children with systemic or medical conditions that are expected to substantially affect oral healing, caries progression, or restoration survival. * Children unlikely to attend or complete the scheduled 24-month follow-up. * Children with inadequate clinical records or insufficient baseline information required for assessment of restoration outcomes.

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As listed by the trial registrant

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

Clinical performance Full mouth rehabilitation Pediatric dental general anesthesia Restoration

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • faculty of dentistry, Tanta university

    RECRUITING

    Tanta, Egypt

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