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Custom 3D-Printed plates may make jaw surgery more precise

NCT ID NCT04635865

Knowledge-focused Sponsor: The University of Hong Kong 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests whether 3D-printed, custom-made titanium plates help surgeons rebuild the jaw more accurately and quickly than standard plates. About 92 adults with jaw tumors, deformities, or other conditions will be randomly assigned to receive either type of plate during surgery. The main goal is to see how closely the final result matches the surgical plan.

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 92 people

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

Started

Dec 2020

Expected to finish

Dec 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

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: * Age greater than 18 years, of both gender; * Provision of signed and dated informed consent form; * Diagnosed with maxillofacial benign or malignant tumours or inflammatory or congenital diseases and indicated for computer-assisted jaw surgery; * Primary or secondary reconstruction with autogenous bony free flaps or graft will be needed; * Titanium plates will be used for internal fixation for the reconstruction surgery; * Agree to comply with follow-up procedures. Exclusion Criteria: * Patients who are pregnant; * Patients who have medically compromised conditions and cannot tolerate the surgery; * Systemic conditions or diseases that violate the normal bone healing; * Patients who are unable to take the preoperative and postoperative CT/CBCT scans; * Patients who are unable to have a two-week period prior to surgery, for virtual surgery simulation, 3D patient-specific surgical plate design and fabrication.

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Conditions

The condition(s) this trial relates to.

Dentofacial Deformities mandibular cancer maxillary neoplasm

As listed by the trial registrant

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

Dentofacial deformities Mandibular neoplasms Maxillary neoplasms

Contacts and locations

Locations

  • The Prince Philip Dental Hospital

    Hong Kong, 000000, Hong Kong

More trials for these conditions

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