New jaw expander tested to fix crowded teeth without pulling any out

NCT ID NCT07480148

First seen Mar 22, 2026 · Last updated Jun 15, 2026 · Updated 11 times

Summary

This study compares two devices—a self-activated leaf expander and a William's expander—to widen a collapsed lower jaw in 16 teenagers aged 12-16. The goal is to relieve mild to moderate crowding without removing teeth. Participants must have good oral health and no prior orthodontic treatment.

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Contacts and locations

Locations

  • Alazhar

    Naşr, Egypt

Conditions

Explore the condition pages connected to this study.