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3D printed molds guide the art of invisible Front-Tooth repair

NCT ID NCT07813949

Symptom relief Sponsor: Al-Azhar 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

Researchers at Al-Azhar University compare three ways to build up resin fillings on broken front teeth: a single-color approach, a multi-color layered approach, and a single-shade structurally colored composite. Dentists shape each restoration using 3D printed casts of the tooth. The trial enrolls 27 adults with Class IV fractures in permanent front teeth and follows them for 12 months to check color match, how well the filling holds up, and how satisfied patients are with the result.

What this could mean

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

Active substance
resin composite layering techniques guided by 3D printed casts
What this could lead to
If one layering method matches natural teeth better, dentists could use it to make front-tooth repairs look more seamless.
What could go wrong
This is a small, single-center study of 27 people, so results may not apply broadly. Fillings can chip, discolor, or need replacement over time.

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 27 people

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

Started

Oct 2024

Expected to finish

Dec 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

18 to 50 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: * Male or female patients aged 18 years or older. * Good oral hygiene and healthy periodontal status. * Presence of sound adjacent teeth and opposing dentition. * Patients requiring direct Class IV composite restoration in permanent anterior teeth. * Cooperative patients willing to comply with the follow-up visits (12 months). Exclusion Criteria: * Patients with poor oral hygiene or severe systemic diseases. * Teeth with pulpitis, periapical lesions, or requiring endodontic treatment. * Presence of severe bruxism, heavy parafunctional habits, or malocclusion. * Pregnant or lactating females. * Heavy smokers or patients with active periodontal disease.

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Conditions

The condition(s) this trial relates to.

Patient Satisfaction Tooth Fractures

As listed by the trial registrant

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

Composite resins Permanent anterior teeth Tooth fractures (class IV)

Contacts and locations

Locations

  • Faculty of Dental Medicine for Girls, Al-Azhar University

    Cairo, Cairo Governorate, 11754, Egypt

More trials for these conditions

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