Clinical Trial

Assessment of Oral Health-Related Quality of Life in Preschool-Aged Children in Alto Alentejo

Completed
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Summary
The observational study aims to improve understanding of Oral Health-Related Quality of Life (OHRQoL) among preschool children in the District of Portalegre, Portugal, by examining the roles of sociodemographic, behavioral, and parental psychosocial factors, as well as the child's oral health status. The study seeks to answer the following main research question: How do sociodemographic, behavioural, parental psychosocial factors, and the child's oral health status influence the Oral Health-Related Quality of Life (OHRQoL) of preschool children in the District of Portalegre?
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2026-06-10.
Trial Details
NCT Number NCT07648121
Lead Sponsor University of Lisbon
Collaborators: Universidade Nova de Lisboa
Conditions Oral Health Related Quality of Life (OHRQoL), Early Childhood Caries (ECC), Traumatic Dental Injuries, Gingivitis, Malocclusion
Enrollment 454 participants
Start Date 2025-04-11
Primary Completion 2026-03-20 (estimated)
Study Completion 2026-03-20 (estimated)
Updated on ClinicalTrials.gov 2026-06-16