Can tiny bite blocks speed up upper jaw expansion?
NCT ID NCT07739498
First seen Jul 31, 2026 · Last updated Jul 31, 2026
Summary
This trial tests whether adding small resin bite turbos to a standard HYRAX expander can speed up upper jaw widening in early adolescents with a narrow upper jaw and crossbite. Half the participants get the expander with bite turbos, and the other half gets the expander alone. Researchers will compare how quickly the jaw widens and how the bone and teeth respond, using digital models and 3D imaging.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- HYRAX expander with posterior disarticulatory resin bite turbos
- What this could lead to
- If adding bite turbos speeds up upper jaw widening, it could shorten orthodontic treatment time and improve outcomes for teens with narrow upper jaws.
- What could go wrong
- This is a small early-stage trial, so results may not apply to everyone. The bite turbos could cause discomfort or not significantly improve expansion rates.
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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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Orthodontic Department - Faculty of Dentistry Mansoura University
RECRUITINGAl Mansurah, Egypt