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3D-Printed guides help place cheekbone implants with precision

NCT ID NCT07463469

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looked at how accurately 3D-printed surgical guides can place zygomatic implants in 10 people with severe upper jaw bone loss. Researchers used CT scans to plan the implant positions before surgery, then compared the actual placement to the plan using post-surgery scans. The goal was to measure any differences in position and angle, helping improve future implant accuracy.

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

10 people

The number who actually took part.

Started

Jun 2023

Finished

Dec 2025

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

25 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: \- 1. Lack of maxillary posterior bone in which standard implants are impossible to insert. 2\. Post-surgical maxillary defects with limitations of maxillary bone reconstruction due to lack of soft tissue coverage. 3\. Failure of previous reconstructive procedures. Exclusion Criteria: 1. Opportunity of alternative treatment modalities with bone grafting and standard implants. 2. Any relevant systemic or local diseases that might affect the bone healing, like uncontrolled diabetic patients or cancer patients who are still on chemotherapy or previously received radiation on the head and neck region.

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Conditions

The condition(s) this trial relates to.

Atrophic Maxilla

As listed by the trial registrant

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

Atrophic edentulous maxilla Maxillary defect reconstruction

Contacts and locations

Locations

  • faculty of dentistry , Tanta university

    Tanta, Elgharbia, 3111, Egypt

More trials for these conditions

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