Which crown fits better for Kids' teeth? a Head-to-Head test

NCT ID NCT07738471

Not yet recruiting Disease control Sponsor: Cairo University Source: ClinicalTrials.gov ↗

First seen Jul 31, 2026 · Last updated Jul 31, 2026

Summary

This trial compares two types of zirconia crowns—custom-made versus prefabricated—for restoring severely decayed baby molars after a pulpotomy (a procedure to save the tooth). Children aged 5-8 with deep cavities in their primary molars will receive one of the two crowns, and researchers will track how well each crown holds up over time, looking at fit, retention, shape, and fractures, as well as gum health. The goal is to see if custom-made crowns offer any advantage over the standard prefabricated ones, which could help dentists choose the best option for restoring young children's teeth.

What this could mean

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

Active substance: Custom-made zirconia crowns or prefabricated zirconia crowns placed on pulpotomized primary molars
What this could lead to: If custom-made crowns perform better or equal to prefabricated ones, dentists may have a more durable and esthetic option for restoring decayed baby teeth, potentially reducing the need for re-treatment.
What could go wrong: This is a small, early-stage trial (64 children) comparing two dental devices, so results may not apply broadly. Crowns can fail due to poor fit, fracture, or gum irritation, and custom-made crowns may not prove superior.

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

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

PRIMARY MOLAR TOOTH PULPOTOMIES PRIMARY TEETH

More trials for these conditions

Other studies related to the condition(s) this trial covers.