The study aimed to identify the severity of malocclusions and associated factors among Brazilian adolescents. Data from 5,445 adolescents participating in the Brazilian Oral Health Survey (SBBrasil 2010) were evaluated, of which 4,276 were included in the study based on the inclusion criteria. The dependent variable was severe and very severe malocclusion, according to the Dental Aesthetic Index (DAI > 30). The independent variables were place of residence, macro-region, self-reported ethnicity, income, gender, schooling, access to dental care, untreated caries and front and back teeth loss due to caries. A hierarchical multiple logistical regression analysis was performed, considering the complex cluster sampling plan. Prevalence of severe/very severe malocclusions was 17.5%. After adjustments, black/brown ethnicity group (OR = 1.59, 95% CI: 1.09-2.34), lower household income (OR = 0.67, 95% CI: 0.55-0-82), front (OR = 2.32, 95% CI: 1.14-4.76) and back teeth (OR = 1.45, 95% CI: 1.14-1.84) loss due to caries were associated with the outcome. Therefore, we conclude that black/brown ethnicity, lower household income and greater number of front and back teeth loss due to caries increased the odds for severe/very severe malocclusion.
Objective: To evaluate the influence of Coca-Cola ® consumption on the salivary pH of 12-year old children. Material and Methods: The convenience sample was composed of forty-five 12-year old students of both genders from public schools of Itatiba, state of São Paulo, Brazil. Salivary pH was measured with pH colorimetric tape indicator (Merck). The reading of the colorimetric method was made by an experienced evaluator under uniform lighting conditions. The colorimetric tape was positioned in the back of the student's tongue, which remained with the mouth shut for 30 Seconds. For control, the first measurement (T0) was performed before the intake of the soft drink (baseline pH). Subsequently, students were instructed to slowly drink 100 ml of Coca-Cola ® using a plastic disposable cup. Immediately after ingestion, the pH was measured again with the colorimetric tape (t1). The oral pH values were also measured 5 minutes (t2), 10 minutes (t3) and 15 minutes (t4) after the soft drink intake, keeping the tape positioning always the same in all measurements. The statistical SAS software was used for data analysis. Comparisons of oral pH values at different times were performed by the Tukey-Kramer test adopting 5% significance level. Results: Immediately after soft drink intake, the salivary pH significantly decreased (pH = 6.26) (p <0.05) compared to baseline (pH = 7.23) (p <0.05). Fifteen minutes after ingestion, although an increase in the pH was observed (pH = 6.64), it had not yet returned to baseline (T0) (p <0.05). Conclusion: Coca-Cola ® intake caused a significant reduction in salivary pH, without, however, reaching critical pH for enamel demineralization.
Our results should be considered when planning collective action that involves the application of the gel on children in a school environment, thus ensuring the procedure's safety.
ObjectiveThe association between self-perception in oral health, history of caries and sex was evaluated in students from São Gabriel da Cachoeira, in the Brazilian state of Amazonas. MethodsThe sample was composed of 509 students enrolled in six public schools of the municipal and state education system. The epidemiological study was performed by a calibrated examiner (Kappa=0.98) using the DMF-T and dmf-t indices. Self-perception in oral health was measured using the CPQ8-10 Child Perceptions Questionnaire for children aged between 8 and 10 and the CPQ11-14 for children aged between 11 and 14, in which the domains were oral symptoms, functional limitation, emotional well-being and social well-being. 0.20 (p<0.20) Results The significance of the associations between the variables was tested using bivariate analysis, and the associations that presented p-values lower than RESUMO ObjetivoAvaliar a associação entre a autopercepção em saúde bucal com a experiência de cárie e sexo em estudantes do município de São Gabriel da Cachoeira, Amazonas -Brasil. MétodosA amostra foi composta por 509 alunos matriculados nas seis escolas públicas da rede municipal e estadual de ensino do município. O exame epidemiológico foi realizado por examinador calibrado (Kappa=0,98), utilizando-se os índices CPO-D e ceo-d e a autopercepção em saúde foi aferida utilizando-se os instrumentos Child Perceptions Questionnaire CPQ8-10 para as crianças entre 8 a 10 anos e CPQ11-14 para as crianças entre 11 a 14 anos, considerando-se os domínios sintomas orais, limitação funcional, bem-estar emocional e bem-estar social. ResultadosAs significâncias das associações entre as variáveis foram testadas pela análise bivariada e as associações que apresentaram p-valor inferior a 0,20 (p<0,20) foram testadas nos modelos de regressão logística múltipla, permanecendo aquelas com p≤0,05. O grupo de 08 a 10 anos apresentou valor médio do CPO-D de 0,82 (± 1,33) e o ceo-d 2,54 (± 2,59), enquanto o grupo de 11 a 14 anos o CPO-D foi de 2,08 (± 2,41) e o ceo-d 1,5 (± 1,77). ConclusãoConclui-se que o sexo foi a variável que mais influenciou nas dimensões avaliadas, seguida da condição bucal e que a presença de dentes cariados não influenciou a autopercepção das crianças sobre a sua saúde bucal.Termos de indexação: Cárie dentária. Saúde bucal. Qualidade de vida. Autoimagem.
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