Which Kids' dental crown wins? study tests zirconia, bioflx, and 3D-Printed options
NCT ID NCT07672470
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This study compares how satisfied parents are with three types of dental crowns used to restore baby molars in children aged 3 to 7: zirconia, Bioflx, and 3D-printed crowns. Children who need a full-coverage crown will be randomly assigned to one of the three types, and parents will rate their satisfaction with appearance, size, shape, color, durability, and overall look right after placement and again one month later. The goal is to see if one crown option stands out, helping families and dentists make better choices for kids' dental care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- dental crown (zirconia, Bioflx, or 3D-printed)
- What this could lead to
- If one crown type proves more satisfying, it could help dentists and parents choose the best option for restoring children's baby molars.
- What could go wrong
- This is a small, early-stage study focused on parent satisfaction, not long-term tooth health. Results may not apply to all children or dental practices.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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90 people
The number who actually took part.
- Started
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Apr 2026
- Expected to finish
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Jul 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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3 to 7 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Indication for full-coverage restoration. Cooperative behavior classified as positive or definitely positive according to the Frankl behavior rating scale. Parent or legal guardian willing to provide informed consent and agree to random allocation to one of the study groups. Child medically fit to receive routine dental treatment. Exclusion Criteria: * Children requiring advanced behavior management techniques such as sedation or general anesthesia. Presence of significant systemic medical conditions that may affect oral health or treatment outcomes. History of failed crown restoration on the same tooth. Teeth with extensive structural destruction that prevents placement of any of the study crown types. Uncooperative behavior (Frankl negative or definitely negative).
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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
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Delta university for science and technology
Gamasa, Dakahlia Governorate, 11152, Egypt