Which retainer keeps your smile straight and healthy?

NCT ID NCT07669129

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

After braces come off, teeth can shift back. This study compares two clear retainer designs—full coverage (covers all inner tooth surfaces) and partial coverage (covers only part)—both used with a fixed wire behind the lower front teeth. Researchers will check gum health, comfort, breakages, and how well teeth stay straight over 6 months. The goal is to help orthodontists choose the best retainer for future patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Vivera retainer (clear removable retainer)

What this could lead to

If this trial succeeds, orthodontists may have clearer guidance on which retainer design is best for gum health, comfort, and keeping teeth straight after braces.

What could go wrong

This is a small, early-stage study with only 42 participants, so results may not apply to everyone. Retainers can break or cause gum issues if not cleaned properly.

Disclaimer Read more

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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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Faculty of Dentistry, Universiti Malaya

    Kuala Lumpur, Kuala Lumpur, 50603, Malaysia