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New injection technique could fix Kids' tooth enamel without drilling

NCT ID NCT06205420

Disease control Sponsor: Ain Shams 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a minimally invasive injection molding technique to restore front teeth affected by enamel hypoplasia in 14 children. The method uses a special resin injected into a clear stent to rebuild the tooth surface. The goal was to see how well the restoration holds up over two years compared to standard composite resin.

What this could mean

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

Active substance
Injectable composite resin restoration
What this could lead to
If successful, this technique could offer a simple, less invasive way to restore the appearance and function of teeth in children with enamel hypoplasia.
What could go wrong
This is a very small, completed Phase 4 trial with only 14 participants, so results may not apply to all children. The treatment only covers the tooth surface and does not cure the underlying condition.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

14 people

The number who actually took part.

Started

Nov 2022

Finished

Dec 2024

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

8 to 14 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 patients: Class I according to the American Society of Anaesthesiologists (ASA class I). * Teeth scored code 3 according to Modified Developmental Defects of enamel (mDDE) index. * Maxillary and mandibular permanent anterior teeth Exclusion Criteria: * Refusal of the parents to sign the informed consent. * Signs and symptoms of reversible or irreversible pulpitis, as well as necrosis affecting the permanent anterior teeth. * Enamel hypomineralization

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Conditions

The condition(s) this trial relates to.

dental enamel hypoplasia Developmental Defects of Enamel

As listed by the trial registrant

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

Enamel hypoplasia

Contacts and locations

Locations

  • Faculty of Dentistry Ain Shams University

    Cairo, Cairo Governorate, 11566, Egypt

More trials for these conditions

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