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Purpose: The purpose of this study was to find potential risk factors associated with the occurrence of developmental defects of enamel (DDE) in permanent dentition of a birth cohort in Southern Brazil. Methods: This study is a 2004 birth cohort carried out in the city of Pelotas, Rio Grande do Sul, Brazil. A subsample of 996 children was clinically examined at 12 to 13 years of age. The pre- and perinatal variables used for this study were: twin pregnancy; type of delivery; prematurity; birth weight; Apgar score in the first and fifth minute; health problems at birth; and intensive care unit admission at birth. Gender and family income variables were also collected. Some postnatal variables were collected: “hospitalization in the first 24 months”; “breastfeeding”; “respiratory diseases in the first 48 months”; “urinary infection in the first 48 months”; and “ear pain in the first 48 months.” To assess an association between the presence of DDE and various risk factors, unadjusted and adjusted Poisson regression with robust variance was performed with a respective prevalence ratio. Results: The prevalence of DDE was 40.8 percent. The variables investigated did not present a statistical association with DDE. Conclusion: No association of developmental defects of enamel in permanent dentition with any of the factors investigated in this study was found. [ABSTRACT FROM AUTHOR]

Objective: To evaluate the prevalence of oral mucosal lesions (OML) and oral self‐examination and their associated factors among pregnant women from the 2015 Pelotas Birth Cohort Study, Brazil. Methods: Pregnant women who would deliver babies in 2015 were included in the antenatal study. Data related to demographic, socio‐economic and behavioural conditions were collected using questionnaires. Participants were also clinically assessed for oral health outcomes. The outcomes were the presence of OMLs and oral self‐examination. Size, location, time of onset and symptomatology of the lesions were collected. Descriptive and bivariate analysis, and Poisson regression were performed. p‐Value <0.05 was set to indicate statistical significance. Results: Data from 2481 pregnant women were analysed. Four hundred and nine (16.5%) had at least one OML. The most prevalent lesions were exostosis (80/16.6%), coated tongue (70/14.5%) and benign oral brownish pigmentation (68/14.1%). Non‐white skin colour was associated with a higher prevalence of OMLs (PR 1.3; 95% CI 1.1–1.6), while daily use of dental floss was positively associated with the prevalence of oral self‐examination (PR 1.4; 95% CI 1.2; 1.5). Conclusions: Almost 20% of pregnant women presented OML, which were more prevalent in non‐white individuals. Women with better oral care were more likely to perform oral self‐examination. [ABSTRACT FROM AUTHOR]

Background: Public health in Brazil has undergone major changes in recent decades. Objective: To describe the overview of dental production performed by the Brazilian Unified Health System from 1999 to 2017 in Brazil and its macroregions. Method: Data were obtained from the Outpatient Information System (SIA/SUS) and from the Brazilian Institute of Geography and Statistics (IBGE). Procedures rates (per 100,000 inhabitants per year) were established in each macroregion: restorative, prosthetic, collective, endodontic, exodontia, periodontic and preventive procedures. Statistical analysis of the time series was performed using a regression linear model. Results: Prosthetic and periodontal procedures were the only ones with a positive linear trend in all Brazilian macroregions (p<0.001). Endodontics did not show a positive trend in Brazil (p=0.173). Restorations showed a growth in the North (p=0.003) and Center-west (p<0.001) macroregions. Exodontia presented a tendency to increase in the North macroregion (p=0.046), while the Midwest presented a decrease of it (p=0.049). Preventive (p=0.042) and collective (p=0.017) procedures showed a decrease in their production during the period. Conclusion: Oral health showed great growth within the single health system in the 19 years evaluated. Periodontal procedures and dental prostheses were those with the highest growth trends. [ABSTRACT FROM AUTHOR]