New dental crown study aims to stop implants from coming loose

NCT ID NCT07456995

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

Summary

This study tested different surface treatments on the metal base of dental implants to see which helps keep a zirconia crown attached best. Twenty-seven adults missing a lower molar received a crown, and the metal base was either left untreated, coated with silica, or coated with silica plus a primer. Over one year, researchers checked for crown breakage or loosening and gum health around the implant.

What this could mean

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

Active substance

Tribochemical silica coating and Z-Prime Plus primer

What this could lead to

If successful, this could identify a simple surface treatment that makes dental crowns less likely to loosen or break.

What could go wrong

This is a small, early-stage study with only 27 participants, so results may not apply to everyone. The follow-up is only one year, so long-term benefits 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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Conditions

The condition(s) this trial relates to.

Jaw, Edentulous, Partially Tooth Loss

As listed by the trial registrant

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

Contacts and locations

Locations

  • MSA University, Faculty of Dentistry

    Giza, Giza Governorate, 14512, Egypt