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Which scan makes implant dentures fit best?

NCT ID NCT07740265

Knowledge-focused Sponsor: Tanta 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 31, 2026 · Last updated Jul 31, 2026

Summary

This study tests three different ways of taking digital impressions for lower jaw implant-supported dentures in people with no natural teeth. Each participant gets scanned with all three methods to see which one gives the most accurate implant positions and best fit. The goal is to find a technique that reduces errors and improves how well the denture attaches.

What this could mean

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

Active substance
Three intraoral scanning techniques: splinted scan bodies, horizontal non-calibrated scan bodies (IO Connect), and auxiliary geometric devices
What this could lead to
If one technique proves more accurate, it could improve the fit and comfort of implant-supported dentures, reducing the need for adjustments.
What could go wrong
This is a small crossover study with only 7 participants, so results may not apply broadly. The techniques are compared for accuracy, but clinical outcomes like long-term implant success are not directly measured.

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 7 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Jul 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

40 to 60 years

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: 1. Completely edentulous patients with age between 40-60 years. 2. Adequate bone height to fulfill the criteria for implant placement. 3. Patients should have a class I Angle's classification. Exclusion Criteria: 1-. Insufficient vertical inter-arch space to accommodate the restorative components. 2\. Presence of psychiatric or neurological conditions. 3. Any systemic diseases that may affect implant bone osteointegration.

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Conditions

The condition(s) this trial relates to.

anodontia

As listed by the trial registrant

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

Complete edentulism Dental prosthesis, implant-supported Full arch implant rehabilitation Prosthodontics

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, Tanta University

    RECRUITING

    Tanta, Gharbia Governorate, 31527, Egypt

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