Less invasive jaw surgery may change face shape differently, study finds
NCT ID NCT07595978
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 31 people with a type of jaw misalignment called skeletal Class III deformity. Researchers compared how the face's soft tissues changed after two types of jaw surgery: a minimally invasive approach and a conventional one. Using 3D imaging, they measured differences in facial features and airway size to see which method might lead to better cosmetic and functional results.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help surgeons choose the best surgical approach to improve facial appearance and recovery after jaw surgery.
- What could go wrong
- This is a small, completed study with only 31 participants, so results may not apply to everyone. It measures changes in soft tissue, not long-term outcomes like pain or function.
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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31 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Jul 2025
- 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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17 to 36 years
- Sex
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Anyone
- Healthy volunteers
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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 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: Skeletal Class III patients requiring bimaxillary orthognathic surgery Patients treated with minimally invasive or conventional orthognathic surgery Availability of high-resolution three-dimensional stereophotogrammetric images obtained preoperatively and at least 6 months postoperatively Patients with complete clinical records Completion of craniofacial growth Patients with less than 10 mm maxillary advancement/setback Exclusion Criteria: Craniofacial syndromes or congenital anomalies History of previous orthognathic surgery Facial trauma affecting soft tissue morphology Incomplete clinical or imaging records Systemic diseases affecting soft tissue healing or craniofacial morphology
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Erciyes University Faculty of Dentistry Department of Orthodontics
Kayseri, Kayseri, 38000, Turkey (Türkiye)