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Which dental mold works best? new study tests 3D-Printed overdentures

NCT ID NCT07208812

Symptom relief 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests three different ways of taking dental impressions to make 3D-printed implant overdentures for people with no teeth. Sixteen participants will try each method for three months, and researchers will measure how well they chew and how satisfied they are. The goal is to find the best technique for comfort and function.

What this could mean

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

Active substance
impression technique (procedure)
What this could lead to
If successful, this could identify the best impression method for making 3D-printed implant overdentures, leading to better chewing and comfort for people with no teeth.
What could go wrong
This is a small, early-stage study with only 16 participants, so results may not apply to everyone. The differences between techniques might be small or not meaningful.

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 16 people

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

Started

Jan 2026

Expected to finish

May 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

45 years and older

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: * Healthy patients, free from systemic diseases that affect bone resorption (e.g., uncontrolled diabetes, osteoporosis) * Residual alveolar ridges covered with healthy, firm mucosa * Adequate mandibular bone length and width to accommodate standard implant sizes. * Angle's Class I maxillo-mandibular relationship. Exclusion Criteria: * Absolute contraindications to implant placement (e.g., active cancer, immune system diseases) * History of head and neck irradiation or chemotherapy within the past 3 years * Metabolic bone diseases such as uncontrolled diabetes, osteoporosis, or hyperparathyroidism * Parafunctional habits such as bruxism or clenching * Smoking or alcoholism * Any physical or medical condition that may interfere with study follow-up or implant success

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Conditions

The condition(s) this trial relates to.

Patient Satisfaction

As listed by the trial registrant

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

3D printed implant overdentures in mandibular edentulism Edentulism

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

  • Faculty of Dentistry, Mansoura University

    RECRUITING

    Al Mansurah, Dakahlia Governorate, 35516, Egypt

More trials for these conditions

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