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Can a smartphone replace a dental scanner for implant impressions?

NCT ID NCT07723404

Knowledge-focused 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Last updated Sep 09, 2026 · Updated 2 times

Summary

This trial tests whether a smartphone-based photogrammetry system (T-Marker) can match or beat a specialized intraoral scanner with splinting bodies (IoConnect) for recording implant positions in people with full-arch dental implants. Each participant will be scanned with both methods in random order. The study measures how accurate and fast each technique is, which could help dentists choose the best digital option for implant impressions.

What this could mean

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

Active substance
Non-Calibrated Splinting Scan Body System (IoConnect) and Mobile Phone-Based Photogrammetry System (T-Marker)
What this could lead to
If one method proves more accurate and efficient, it could simplify and improve digital workflows for full-arch dental implants.
What could go wrong
This is a small, early-stage trial with only 40 participants, so results may not apply broadly. Both methods are still experimental for this use.

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 40 people

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

Started

Apr 2026

Expected to finish

Jan 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

20 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 * Adults aged 18 years or older. * Completely edentulous maxilla rehabilitated with four well-integrated implants connected to multiunit abutments. * Patients presenting with a screw-retained interim implant-supported prosthesis or requiring a definitive implant-supported prosthesis. * Adequate implant osseointegration with no clinical signs of implant failure. * Ability to understand the study procedures and provide written informed consent. Exclusion Criteria * Fewer than four implants supporting the maxillary prosthesis. * Implants located outside the maxillary arch. * Failed implants or implants exhibiting mobility. * Active peri-implant infection or suppuration. * Inability to tolerate intraoral scanning or comply with study procedures. * Refusal or inability to provide written informed consent.

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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.

Edentulism Edentulism complete

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, Shibin Alkom, 2266166, Egypt

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