Which tooth filling lasts longest? new study puts four materials to the test

NCT ID NCT07285772

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested four different types of tooth fillings in 40 people to see which one holds up best over 18 months. The fillings were checked for things like shine, staining, and cracks. The goal is to help dentists pick the best material for long-lasting repairs.

What this could mean

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

Active substance

dental filling materials (short fiber composite, long fiber composite, glass ionomer, flowable composite)

What this could lead to

If successful, this could help dentists choose the best filling material for long-lasting tooth repairs.

What could go wrong

This is a small, completed study with only 40 participants. Results may not apply to everyone, and longer-term effects beyond 18 months are unknown.

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

Locations

  • Restorative Department, Faculty of Dentistry, Tanta University

    Tanta, Tanta, Egypt