TDI was better explained by individual factors, related to sociodemographic conditions and occlusal problems, with a negative impact on OHRQoL, adjusted for untreated caries. Contextual variables were not associated with TDI in 12-year-old Brazilian schoolchildren. Interdisciplinary actions for preventing dental trauma, such as stimulating the use of mouthguards, have to be encouraged by the family health strategy (FHS) and school health programme (SHP).
Dengue is a vector-borne disease transmitted by the Aedes genus mosquito. It causes financial burdens on public health systems and considerable morbidity and mortality. Tropical regions in the Americas and Asia are the areas most affected by the virus. Fortaleza is a city with approximately 2.6 million inhabitants in northeastern Brazil that, during the recent decades, has been suffering from endemic dengue transmission, interspersed with larger epidemics. The objective of this paper is to study the impact of human mobility in urban areas on the spread of the dengue virus, and to test whether human mobility data can be used to improve predictions of dengue virus transmission at the neighbourhood level. We present two distinct forecasting systems for dengue transmission in Fortaleza: the first using artificial neural network methods and the second developed using a mechanistic model of disease transmission. We then present enhanced versions of the two forecasting systems that incorporate bus transportation data cataloguing movement among 119 neighbourhoods in Fortaleza. Each forecasting system was used to perform retrospective forecasts for historical dengue outbreaks from 2007 to 2015. Results show that both artificial neural networks and mechanistic models can accurately forecast dengue cases, and that the inclusion of human mobility data substantially improves the performance of both forecasting systems. While the mechanistic models perform better in capturing seasons with large-scale outbreaks, the neural networks more accurately forecast outbreak peak timing, peak intensity and annual dengue time series. These results have two practical implications: they support the creation of public policies from the use of the models created here to combat the disease and help to understand the impact of urban mobility on the epidemic in large cities.
ObjectiveTo assess the relationship between periodontal treatment needs by elderly Brazilians and contextual as well as individual variables.MethodsA cross-sectional study was carried out to assess the need for clinical periodontal treatment, based on National Oral Health Survey (SB Brasil 2010) data on the presence of dental calculus, shallow (3–5 mm) and deep (≥ 6 mm) periodontal pockets, and gingival bleeding in elderly people (n = 7,619). The contextual variables included the Municipal Human Development Index (MHDI), income inequality (Gini Index) and coverage of the municipal population by the Family Health Strategy (FHS) program oral health teams.<0} The individual variables were sex, income, education level and self-reported skin color. Multilevel logistic regression models were used to calculate the odds ratio (OR) and 95% confidence intervals (CI95%) between periodontal treatment needs and the contextual as well as individual variables.ResultsGingival bleeding was found in 20.7% of the elderly analyzed (n = 1,577), dental calculus in 34% (n = 2,590), shallow periodontal pockets in 15.6% (n = 1,189), and deep periodontal pockets in 4.2% (n = 320). Individual factors were correlated with all the outcomes assessed. Sex was a protective factor in regard to gingival bleeding (OR = 0.87; CI95% 0.76–1.00), dental calculus (OR = 0.86; CI95% 0.75–0.99), shallow periodontal pockets (OR = 0.69; CI95% 0.60–0.80) and deep periodontal pockets (OR = 0.58; CI95% 0.45–0.74). It was found that fewer women needed treatment. Elderly people who self-reported having nonwhite skin had higher chances of needing periodontal treatment. Skin color was a risk factor for gingival bleeding (OR = 1.32; CI95% 1.14–1.53), dental calculus (OR = 1.32; CI95%1.14–1.54) and shallow periodontal pockets (OR = 1.27; CI95% 1.09–1.49). Education level was associated with the presence of dental calculus (OR = 0.77; CI95% 0.66–0.89), shallow periodontal pockets (OR = 0.86; CI95% 0.73–1.00) and deep periodontal pockets (OR = 0.74; CI95% 0.57–0.97), thus acting as a risk factor for undereducated elderly people. There was a correlation between population coverage by the Family Health Strategy (FHS) program oral health teams and the presence of gingival bleeding (OR = 0.67; CI95% 0.52–0.88), shallow periodontal pockets (OR = 0.76; CI95% 0.58–0.98) and deep periodontal pockets (OR = 0.62; CI95% 0.44–0.89), making these teams act as a protective factor.ConclusionsThis study showed evidence of the sociocontextual as well as individual sociodemographic characteristics influencing periodontal treatment needed by elderly Brazilians, based on the clinical features of periodontal disease. The results suggest the existence of inequality related to periodontal treatment needs among elderly Brazilians, especially in regard to sex and ethnicity, in addition to a potentially positive impact from the expansion of the Family Health Strategy (FHS) program oral health teams.
Objective: To investigate the relationship between ultra-processed food consumption and early childhood caries. Design: Cross-sectional analysis of baseline data from a cluster randomised controlled study. Outcomes included the prevalence of children with non-cavitated and cavitated caries. The main exposure was the total daily consumption of ultra-processed foods (up to three times and four times or more), assessed through a FFQ. Potential confounders were socio-demographic characteristics of the child and caregiver/family, child breast-feeding, oral hygiene and use of dental services. Poisson regression using robust variance adjustment was used to estimate prevalence ratios (PR) and their respective 95 % CI. Setting: Primary Healthcare Centers in an urban area of Pelotas, Southern Brazil. Participants: Children aged 0–3 years (n 309). Results: Consumption of ultra-processed foods four times or more a day was found in 67·6 % of children; 24·4 and 12·0 % presented non-cavitated and cavitated caries, respectively. After adjustment, children who consumed ultra-processed foods four times or more a day were more likely to present both non-cavitated caries (PR 2·25, 95 % CI 1·19, 4·27, P = 0·013) and cavitated caries (PR 3·48, 95 % CI 1·18, 10·30, P = 0·024) compared with those who have consumed them up to three times a day. Conclusions: Consumption of ultra-processed foods is associated with early childhood caries. Interventions aiming at reducing ultra-processed food consumption should be implemented to improve children’s oral health.
Background/Aims Traumatic dental injuries (TDIs) stand out as one of the major public health problems worldwide, characterized by a high prevalence in children and adolescents. However, their association with the 15‐19 years age group has not been fully described. The aim of this study was to evaluate TDIs in a population of Brazilian adolescents. Methods An association study was performed with 5558 adolescents attending the São Paulo State Oral Health Survey (SBSP‐15). Individual predisposing variables (gender, age, schooling, ethnic, overjet, and molar relationship); contextual predisposing (city size and Municipal Human Development Index); individual enabling (per capita income and type of service used); contextual enabling (number of dentists, family health team coverage, and family median income); individual need (satisfaction and perception regarding treatment) and contextual needs (average supervised brushing, number of visits, and dental extractions per city), as well as health behaviors were analyzed. Andersen's behavioral model was used for the data analysis. A multilevel logistic regression with fixed effects was performed to calculate the odds ratio (OR), with 95% confidence interval (CI). Results The prevalence of TDIs in adolescents was 1.42% (95% CI: 0.94‐2.13). Individual and contextual factors of need, predisposing factors, facilitators, and health behaviors were associated with TDIs. In the adjusted analysis, gender (OR = 0.32, 95% CI: 0.18‐0.53), mean family income (OR = 2.52, 95% CI: 1.35‐4.69), number of dental visits (OR = 0.40, 95% CI: 0.19‐0.84), and time of last visit (OR = 2.64, 95% CI: 1.46‐4.77) remained significant concerning trauma. Conclusion At least one variable of the individual and contextual predisposing, enabling, and need factors (except for individual enabling variables) were associated with dental trauma in Brazilian adolescents aged 15‐19 years. This information may help with the planning of preventive actions and dental treatment, especially in mid‐sized and large cities.
the number of dental surgeons in Brazil is high, although they are not equally distributed between both sectors. This may imply barriers to dental care access in Brazil.
Objective: This study aimed at assessing the relationship between self-perceived tooth loss and wearing dentures, on the one hand, and the consumption of protein, on the other hand, among the elderly population of Botucatu, SP. Food consumption tends to decrease with ageing, especially protein intake, and one of the causes could be the precariousness of oral health. Several risk factors associated with deficient dietary protein intake have been identified, namely greater physical dependence, reduced caloric intake and food insecurity, but no studies have analysed whether tooth loss and prostheses interfere with protein intake.Methods: An interview was conducted among 365 elderly individuals, in which we examined oral health-related quality of life (OHRQoL) as the only latent variable, in a 24-hour nutritional assessment dietary recall repeated 3 times, conducted in person by a trained nutritionist and also performed an analysis of nutritional needs using the Nutrition Data System Research (NDSR) Program. Results:The structural equation model, performed using Stata v.14, showed that lack of teeth (standardised coefficient [SC] = 0.21, P < .001), and prosthesis use (SC = −0.21, P < .001) was associated with OHRQoL. Lack of teeth had a direct effect on the consumption of animal protein (SC = 0.08, P = .02), a strong total effect on animal protein intake (SC = 0.51, P = .04) and a medium effect on total protein intake (SC = 0.20, P = .03), adjusted for confounders (depression and medical problems). Conclusion:Tooth loss had a strong and significant total effect on animal protein intake and a medium effect on total protein intake among elderly Brazilians. K E Y W O R D Sageing, elderly, nutrient intake, quality of life
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