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New study tests best 3D-Printed material for saving teeth with deep cavities

NCT ID NCT07234266

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looks at how different 3D-printed materials affect gum health and restoration success in teeth with deep cavities that need margin elevation. Researchers will treat 48 patients and check their teeth at 6 and 12 months using dental and gum health scores. The goal is to find which material works best for long-term dental health.

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 restoration
What this could lead to
If successful, this could help dentists choose better materials for deep margin elevation, improving long-term gum health and restoration durability.
What could go wrong
This is a small, early-stage study with only 48 participants and a short 1-year follow-up. Results may not apply to all patients or materials.

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 48 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

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 84 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: * Patients who apply to Mersin University Faculty of Dentistry between 01.12.2025 and 01.03.2026 for restorative treatment of their teeth * Patients aged between 18 and 84 years * Patients without parafunctional habits (such as bruxism, clenching, or foreign object chewing) * Vital or non-vital molar and premolar teeth with a clinical indication for inlay/onlay restoration * Teeth with deep cavities and margins located at or slightly below the gingival level * Defects limited to the occlusal surface and one proximal surface * Occlusal defects extending beyond one-third of the distance between fissure and cusp tip, including at least one cusp * Posterior teeth with an indication for deep margin elevation without violation of the biologic width * Teeth with opposing natural teeth or fixed prosthetic restorations * Teeth with the presence of adjacent proximal contacts Exclusion Criteria: * Teeth with fractures or cracks * Patients with temporomandibular joint disorders * Patients with malocclusion, bruxism, or parafunctional habits * Posterior teeth without opposing natural teeth or fixed prosthetic restorations * Posterior teeth without adjacent proximal contacts * Patients with a history of allergy to the components of the restorative materials used * Patients with severe gingival enlargement, gingival recession, or active periodontal disease * Teeth requiring deep margin elevation that present with non-physiological mobility, fistula, or periapical lesions

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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.

Deep marginal elevation

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

  • Mersin University, Faculty of Dentistry

    Mersin, Mersin, 33343, Turkey (Türkiye)

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