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Digital vs. traditional: which dental impression method wins for All-on-X?

NCT ID NCT07550725

Knowledge-focused Sponsor: October 6 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Updated 2 times

Summary

This study compares three methods for taking dental impressions in people getting full-arch implant-supported teeth (All-on-X): a 3D camera (photogrammetry), a digital scanner with special markers, and the traditional putty mold. Researchers will check which method is most accurate at capturing implant positions. The goal is to help dentists choose the best technique for precise, comfortable, and efficient treatment.

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 11 people

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

Started

May 2026

Expected to finish

Nov 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

55 to 65 years

Sex

Male participants only

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 45-65 years. * Fully edentulous or partially edentulous maxilla requiring full-arch rehabilitation. * Sufficient maxillary bone volume to support at least four implants according to the All-on-X protocol. * Systemically healthy patients with no contraindications to dental implant surgery (ASA I-II classification). * Demonstrated ability to maintain adequate oral hygiene * Willingness to participate in the study and comply with follow-up visits and required maintenance protocols. * Patients seeking a fixed, implant-supported prosthesis for the maxilla due to missing teeth and inability to use removable prostheses effectively. * Acceptable radiographic findings with no signs of pathology, infection, or significant anatomical limitations. Exclusion Criteria: * Uncontrolled systemic diseases (e.g., uncontrolled diabetes, osteoporosis, immunosuppressive disorders) * History of radiation therapy to the head and neck region * Active periodontal disease or untreated caries * Maxillary cysts, tumors, or pathologies * Poor oral hygiene or inability to maintain postoperative care * Insufficient bone volume for All-on-X without extensive grafting * Maxillary sinus pathology or oroantral fistula * Psychiatric illness or cognitive impairment affecting compliance * Bruxism or parafunctional habits * Pregnant or lactating women * History of implant failure or titanium allergy * Use of bisphosphonates or antiresorptive medications * Heavy smoking (\>10 cigarettes/day) * Inability or unwillingness to attend follow-up visits * Diagnosed or symptomatic temporomandibular joint disorders (pain, clicking, locking, limited opening)

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As listed by the trial registrant

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

Trueness of full arch implant prosthesis impression Truness of impression techniques in all on X cases

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

  • October 6 University

    RECRUITING

    Giza, Egypt