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3D-Printed teeth: a cheaper alternative to zirconia crowns?

NCT ID NCT07522671

Disease control Sponsor: Menoufia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tests whether 3D-printed resin crowns and bridges work as well as traditional milled zirconia ones for people with dental implants. Sixty adults who need one or two implant-supported restorations in the lower front jaw will receive either a 3D-printed resin or a zirconia restoration. Researchers will track how long each restoration lasts, any complications, gum health, bone changes, and patient satisfaction over one year.

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 resin dental restoration (CROWNTEC)
What this could lead to
If successful, this could offer a more affordable and faster way to make dental crowns and bridges for implant patients.
What could go wrong
This is a small, early-stage trial with only 60 participants and a short 12-month follow-up. The 3D-printed resin may not be as durable as zirconia in the long run.

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.

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Nov 2028

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 60 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: * Participants must meet all of the following: * Age ≥18 years. * Have one or two osseointegrated dental implants requiring prosthetic restoration. * Demonstrate stable peri-implant tissues with no signs of inflammation or implant mobility. * Maintain good oral hygiene and controlled periodontal status. * Require either: * A single implant-supported crown, or * A short-span (maximum 3-unit) implant-supported fixed partial denture (FPD) supported by two implants in the mandibular anterior region. Exclusion Criteria: * Participants are excluded if they have any of the following: * Severe parafunctional habits (e.g., bruxism). * Uncontrolled systemic diseases affecting bone metabolism or healing. * Peri-implantitis or compromised implant stability. * Requirement for cantilever prostheses or long-span restorations, or FPDs in areas other than the mandibular anterior region.

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As listed by the trial registrant

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

Prosthesis user

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

  • Mohammed Elsawy

    RECRUITING

    Shibīn al Kawm, 2266166, Egypt

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