Zirconia vs steel: which crown keeps Kids' gums healthier?
NCT ID NCT07436325
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of dental crowns for baby molars in 100 children aged 3-7. Each child gets a zirconia crown on one molar and a stainless steel crown on the opposite molar. Researchers will check gum health, plaque buildup, and parent satisfaction over 3 years to see which crown works better.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Prefabricated zirconia crown (NuSmile® ZR) and stainless steel crown (3M™ ESPE™)
- What this could lead to
- If zirconia crowns prove better for gum health, they could become the preferred option for restoring baby molars in children.
- What could go wrong
- This is a small, early-stage trial (100 kids) comparing two established treatments, so any differences may be minor or not apply broadly. The study only looks at gum health, not long-term tooth survival.
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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
Locations
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Qassim University
Buraidah, Al-Qassim Province, Saudi Arabia