Custom 3D-Printed retainers could outlast standard wires after braces
NCT ID NCT06529601
First seen Jul 09, 2026 · Last updated Jul 10, 2026 · Updated 1 time
Summary
This study compares two types of fixed retainers used after braces to keep teeth aligned: a custom-made CAD/CAM retainer (Keeppy) and a standard braided wire retainer. Researchers want to see which one breaks or detaches less often over 6 months and 2 years, and which one keeps gums healthier. The trial involves 54 people aged 13 to 20 who have just finished orthodontic treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- CAD/CAM mandibular fixed retainer (Keeppy)
- What this could lead to
- If successful, this could show that custom-made retainers are more durable and better for gum health than standard wire retainers, improving long-term orthodontic outcomes.
- What could go wrong
- This is a small, single-center trial with only 54 participants, so results may not apply to everyone. The custom retainer may not prove superior or could have unexpected issues.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Orthodontic Clinic, Division of Dentistry, Careggi University Hospital
RECRUITINGFlorence, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••