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Virtual surgery for jaw joint replacement put to the test

NCT ID NCT07643259

Knowledge-focused Sponsor: Faculty of Dental Medicine for Girls 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether virtual surgical planning can accurately predict the placement of custom-made jaw joint replacements in 8 patients with severe TMJ disorders, jaw defects, or recurrent joint stiffness. Researchers compared the planned position to the actual position after surgery using CT scans. The goal was to see how precise the virtual planning really is.

What this could mean

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

Active substance
custom-made temporomandibular joint (TMJ) implant
What this could lead to
If successful, this could improve surgical precision for patients needing jaw joint replacement, leading to better outcomes and fewer complications.
What could go wrong
This is a very small study with only 8 participants and no comparison group, so results may not apply to everyone. It only measured accuracy, not long-term patient benefits or risks.

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

8 people

The number who actually took part.

Started

Aug 2023

Finished

May 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

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 have a history of end-stage TMJ disorders. * Patients with mandibular defects involving the TMJ,developmental abnormalities, trauma and, tumor. * Patients with failed grafts and alloplastic joint reconstruction. * Patients with recurrent TMJ ankylosis. Exclusion Criteria: * Patients with bone disease that can affect stability of the joint. * Patients with systemic disease, malignancy and immunocompromised patients.

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Conditions

The condition(s) this trial relates to.

ankylosis Micrognathism Temporomandibular ankylosis temporomandibular joint disorder

As listed by the trial registrant

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

Mandibular deficiency TMJ ankylosis TMJ disorder

Contacts and locations

Locations

  • Dent for Girls

    Cairo, Nasr City, 12345, Egypt

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