ArticleMedicina oral, patologia oral y cirugia bucal2026
Distribution of oral and maxillofacial lesions in children and adolescents in a southeastern Brazilian population: A retrospective study including the COVID-19 pandemic period.
Article in Medicina oral, patologia oral y cirugia bucal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThis retrospective study analyzed the frequency of oral and maxillofacial lesions in a pediatric population from an oral pathology service in southeastern Brazil (2015-2024). MATERIALS AND
methodsWe reviewed all histopathological reports from this period, which included the COVID-19 pandemic. Demographic and clinicopathological data were collected and summarized using descriptive statistics. Associations were assessed using Pearson's chi-squared, Fisher's exact, Cramer's V, and multinomial logistic regression tests.
resultsAmong 1,578 pediatric biopsies (patients aged 0-19 years), which represented 8.78% of the service's total caseload, adolescents were the predominant group (76.68%), with a balanced gender distribution. A significant decrease in pediatric cases was observed following the COVID-19 pandemic, although the most frequent lesion types remained consistent. Of the 1,414 conclusive diagnoses, salivary gland pathologies were most common (31.12%), followed by odontogenic cysts (18.74%) and mucosal pathologies (12.02%). Mucocele was the single most prevalent lesion (25.67%), followed by dentigerous cyst (8.17%). Statistical analysis revealed a significant association between patient age and diagnostic category, indicating distinct, developmentally dependent patterns.
conclusionsOur findings confirm the predominance of benign, reactive, and cystic lesions in pediatric patients, including during the COVID-19 pandemic, underscoring the value of current epidemiological data to guide clinical practice and preventive strategies.
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