Which onlay lasts longest? new study pits three materials Head-to-Head
NCT ID NCT07157410
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study compares three different tooth-colored onlay materials used to repair back teeth with deep cavities that extend below the gum line. Each of the 18 adult participants will receive three onlays made from different materials. Researchers will check the onlays at 2 weeks, 6 months, 18 months, and 24 months to see how well they hold up, whether they cause sensitivity, and if new decay develops. The goal is to identify which material performs best for this type of dental restoration.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
dental onlay materials (lithium-disilicate ceramic and composite resin)
What this could lead to
If successful, this could help dentists choose the most durable and safe onlay material for repairing deep cavities in back teeth.
What could go wrong
This is a small, early-stage study with only 18 participants, so results may not apply to everyone. Some onlays may chip, loosen, or cause sensitivity.
Disclaimer
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Faculty of Dentistry, Mansoura University
RECRUITINGAl Mansurah, Dakahlia Governorate, 35516, Egypt
Contact Phone: •••-•••-•••• Email: •••••@•••••