Portugal study reveals hidden impact of tiny teeth troubles on preschoolers
NCT ID NCT07648121
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study looked at how oral health problems like cavities and gum issues affect the daily lives of 454 preschool children in Portugal. Researchers asked parents about their child's oral health and its impact on the child and family. The goal was to understand which social, behavioral, and dental factors matter most for young children's well-being.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
-
454 people
The number who actually took part.
- Started
-
Apr 2025
- Finished
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Mar 2026
- 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.
Who is studied
Preschool-aged children attending schools in the district of Portalegre
- Ages
-
3 to 5 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * All children who attended the selected classrooms were included in the study and who: * Were between 3 and 5 years of age at the time of the observation; * Had informed consent provided by their parents or legal guardians; * Assented to participate in the study Exclusion Criteria: \-
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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
-
Faculty of Dental Medicine, University of Lisbon
Lisbon, Portugal
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Other studies related to the condition(s) this trial covers.
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