Jaw surgery may fix more than your Smile—Could it improve speech?
NCT ID NCT04117360
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study looks at how jaw surgery affects speech in people with bite problems like open bite or underbite. Researchers will record patients' speech and tongue movements before and after surgery to see what changes. The goal is to understand why many jaw surgery patients have speech issues and how surgery might help.
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 speech therapists better understand and treat speech problems in people with jaw misalignment.
- What could go wrong
- This is an observational study, not testing a treatment. It may not lead to direct improvements for patients.
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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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University of North Carolina
RECRUITINGChapel Hill, North Carolina, 27514, United States
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