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3D-Printed dental fillings face off against traditional methods in new trial

NCT ID NCT07633717

Knowledge-focused Sponsor: Mansoura 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares three types of dental onlays (a type of filling that covers part of a tooth) for treating cavities. It involves 36 adults who each need at least three onlays. The onlays are made using 3D printing, milling, or indirect resin composite. Researchers will check how well they perform over two years, including their fit, strength, and appearance.

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 CAD/CAM hybrid resin onlay, milled CAD/CAM hybrid ceramic onlay (Vita Enamic), indirect resin composite onlay
What this could lead to
If successful, this study could show that 3D-printed dental restorations are as good as or better than current milled options, potentially offering a faster and more precise way to fix decayed teeth.
What could go wrong
This is a small, early-stage trial with only 36 participants, so results may not apply to everyone. The study is also observational in nature, so it won't prove long-term benefits or safety.

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

36 people

The number who actually took part.

Started

Sep 2024

Expected to finish

Jul 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 months and older

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: * Inclusion Criteria: Patients aged 18 years or older with permanent dentition, presenting with at least three posterior teeth indicated for indirect onlay or overlay restorations, with favorable and stable occlusion. Patients should have good oral hygiene and vital, asymptomatic teeth with no sensitivity to percussion. Presence of antagonist teeth is required. \- Exclusion Criteria: * Patients with severe bruxism, unstable medical conditions, or known allergy to any study materials. Patients unable to attend follow-up visits, pregnant or lactating females, and cases with pulp exposure during caries excavation are excluded.

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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

Contacts and locations

Locations

  • Faculty of Dentistry, Mansoura University

    Al Mansurah, Dakhlia, 35516, Egypt

More trials for these conditions

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