Chin surgery showdown: 3D printed vs milled plates – which fits better?
NCT ID NCT07344441
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will compare the accuracy of 3D printed titanium plates versus 3D milled titanium plates used in chin surgery (genioplasty). Twenty-six patients needing jaw realignment surgery will be randomly assigned to receive one type of plate. The goal is to see which manufacturing method produces a more precise fit, measured by comparing virtual surgical plans with actual post-surgery CT scans.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- 3D printed patient specific titanium plates (compared to 3D milled patient specific titanium plates)
- What this could lead to
- If 3D printed plates prove more accurate, they could become the preferred option for chin surgery, leading to better fit and fewer adjustments.
- What could go wrong
- This is a small, early-stage trial with only 26 participants, so results may not apply to everyone. The study focuses on manufacturing accuracy, not long-term patient outcomes.
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
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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
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About 26 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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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
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19 to 50 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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. Patients with dentofacial disharmony and misalignment requiring bimaxillary orthognathic surgeries. 2. Patients with no signs or symptoms of active TMDs. 3. Highly motivated patients. Exclusion Criteria: 1. Patients who refused to be included in the research. 2. Patients with systemic diseases that may hinder the normal healing process or render the patient not fitting for general anaesthesia. 3. Patients with intra-bony lesions or infections that may retard the osteotomy healing. 4. Patients with systemic condition contraindicating with the surgical procedure as uncontrolled diabetes
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.