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Could 3D-Printed fillings outlast traditional tooth repairs?

NCT ID NCT07676929

Disease control 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 02, 2026 · Updated 2 times

Summary

This study tests whether 3D-printed composite resin fillings work as well as semi-direct composite resin fillings for cavities or damaged back teeth. About 60 adults aged 25 to 40 who need two similar fillings will get one of each type. Researchers will check for cracks, wear, and overall performance over a year to see which method holds up better.

What this could mean

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

Active substance
3D-printed composite resin
What this could lead to
If 3D-printed fillings hold up as well as or better than standard ones, they could offer a faster, more precise option for restoring back teeth.
What could go wrong
This is a small, early-stage trial with only 60 people, so results may not apply to everyone. 3D-printed fillings might break or wear differently than 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.

Started

Jan 2026

Expected to finish

Mar 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.

Ages

25 to 40 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 aged 25-40 years. * Patients requiring two Class II inlay or onlay restorations. * Teeth with carious lesions or defective restorations requiring indirect restorative treatment. * Teeth with sufficient structure to receive an inlay/onlay restoration. Exclusion Criteria: * Patients with systemic diseases or medical conditions that may affect oral health or healing. * Pregnant or lactating patients. * Patients with poor oral hygiene or uncontrolled periodontal disease.

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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.

3D printing Composite restoration Posterior teeth Semi-direct restoration

Contacts and locations

Locations

  • Restorative Department, Faculty of Dentistry, Tanta University

    Tanta, Tanta, 31527, Egypt

More trials for these conditions

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