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3D-Printed dental crowns could replace milled ones in root canal patients

NCT ID NCT07465978

Disease control Sponsor: Universitat Internacional de Catalunya 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 1 time

Summary

This study tests whether 3D-printed resin crowns work as well as standard milled composite crowns for teeth that have had root canal treatment. Sixty adults will receive a crown made from either material, and their dentist will check the crown's fit, color, and durability over one year. The goal is to see if 3D printing can offer a faster and more affordable option without sacrificing quality.

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 hybrid resin (VarseoSmile TriniQ) and CAD/CAM composite block (Cerasmart)
What this could lead to
If successful, 3D-printed resin could become a cheaper, faster alternative to milled composite for dental crowns after root canal treatment.
What could go wrong
This is a small, early-stage trial with only 60 patients and 1-year follow-up. The 3D-printed material may not hold up as well as the standard material 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 60 people

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

Started

Dec 2024

Expected to finish

Jun 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

18 years 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: * Age ≥18 years * Signed informed consent * Need to restore an endodontically treated molar with an indirect adhesive overlay * Physically and psychologically able to tolerate conventional restorative procedures * No high caries risk * No active periodontal disease * Natural antagonist tooth present * Need for full cuspal coverage restoration (overlay) * Remaining wall thickness \<3 mm in the endodontically treated tooth * Occlusal thickness of the restoration ≥1 mm * Willing and able to attend follow-up visits Exclusion Criteria: * Poor oral hygiene * Uncontrolled parafunctional habits (e.g., bruxism) * High caries risk * Active periodontal disease * Active pulpal disease * Absence of natural antagonist tooth * Need for partial cuspal coverage restoration (inlay or onlay) * Insufficient interarch space for restoration * Teeth planned as abutments for removable or fixed prostheses * Known allergy to any materials used in the study

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Conditions

The condition(s) this trial relates to.

Tooth, Nonvital

As listed by the trial registrant

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

Endodontically treated teeth Indirect restoration

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

  • Clínica Universitària d'Odontologia UIC Barcelona

    RECRUITING

    Sant Cugat del Vallès, Barcelona, 08195, Spain

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