Invisalign vs. traditional expanders: which works better for Kids' jaw problems?

NCT ID NCT07485478

Not yet recruiting Disease control Sponsor: Mahidol University Source: ClinicalTrials.gov ↗

First seen Mar 24, 2026 · Last updated Apr 30, 2026 · Updated 5 times

Summary

This study compares two devices used with a facemask to widen the upper jaw in children aged 8–12 who have an underbite (skeletal Class III) and a narrow upper jaw. One device is the Invisalign Palatal Expander (IPE), and the other is the Rapid Palatal Expander (RPE). Researchers will use 3D X-rays to measure changes in jaw bones and tooth position, and they will also interview children and parents about their treatment experience. The goal is to see if the newer Invisalign expander works differently than the traditional one.

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Contacts and locations

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Locations

Faculty of Dentistry, Mahidol University

Bangkok, 10700, Thailand

Contact Phone: •••-•••-••••

Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.

SKELETAL CLASS III MALOCCLUSION SKELETAL CLASS III MALOCCLUSION TRANSVERSE MAXILLARY DEFICIENCY