Which brace works best for Kids' crossbite? new study aims to find out
NCT ID NCT07500194
First seen Apr 15, 2026 · Last updated Jun 20, 2026 · Updated 12 times
Summary
This study will compare two fixed dental appliances—the Quad Helix and Rapid Maxillary Expanders—for treating posterior crossbite in 20 Egyptian children aged 9-12. The goal is to see which device widens the upper jaw more effectively and causes less discomfort. Results could help dentists choose the best option for young patients.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
-
Faculty of Dental medicine (boys) ,Cairo,Al-Azhar University
Cairo, Cairo Governorate, 00000, Egypt
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Quad Helix appliance and Rapid Maxillary Expander (dental devices)
What this could lead to
If successful, this study could show which device works better and is more comfortable for correcting crossbites in children, improving dental health and treatment experience.
What could go wrong
This is a small, early-stage trial with only 20 children, so results may not apply to everyone. The study hasn't started yet, and there is always a chance that neither device proves clearly better.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.