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Background/aim: Among the diseases related to oral health, traumatic dental injuries (TDI) can lead to pain, loss of function and aesthetic problems, with physical, emotional and social consequences for children and their families. The aim of this study was to investigate the relationship between enamel fracture and enamel-dentin fracture with oral health-related quality of life (OHRQoL).Material and Methods: This cross-sectional study had a representative sample of 1589 children between 8-10 years of age from public schools. The OHRQoL was obtained through the Child Perceptions Questionnaire (CPQ8-10 ), which is a questionnaire validated for Brazilian children. Clinical data were collected by 4 calibrated examiners (Kappa > 0.7) using the Decay, Missing, Filled Teeth (DMFT) Index, Dental Aesthetic Index (DAI) and TDI. A socio-economic questionnaire was sent to the caregivers to be answered at home. Descriptive statistics and Poisson regression with prevalence ratio (PR) and 95% confidence interval (CI) were used for statistical analysis.Results: The prevalence of TDI was 10.6%, and among these 10.3% who had an impact on the OHRQoL, it was due to enamel-dentin fracture. Children with enamel-dentin fracture had (PR 1.35; 95% CI 1.07-1.70) higher prevalence of impact on the OHRQoL. Children with enamel fracture had no impact on the OHRQoL (P = .254).Conclusion: Enamel fracture had no significant impact on children's quality of life, while enamel-dentin fracture did have an impact on quality of life. [ABSTRACT FROM AUTHOR]

The objective of this research was to verify the association between verbal bullying and untreated dental caries. The present cross-sectional study had a representative sample of 1,589 children, aged 8-10 years, from public schools. Information on verbal bullying related to the oral condition was obtained through a questionnaire directed to the students. Clinical data were collected by 4 calibrated examiners (kappa > 0.70) using the DMFT/dmft and PUFA/pufa indexes for caries. Socioeconomic issues were answered by those responsible. The prevalence of verbal bullying related to the oral condition was 27%. The results of the Poisson regression, in an adjusted multiple model, showed a significant association between bullying and untreated caries lesions (prevalence ratio, PR: 1.27; 95% CI: 1.07-1.52), PUFA/pufa index (PR: 1.34; 95% CI: 1.11-1.61), pulp involvement (PR: 1.35; 95% CI: 1.09-1.67), and abscess (PR: 1.74; 95% CI: 1.18-2.56). It was concluded that children with untreated dental caries had a higher prevalence of verbal bullying when compared to caries-free or disease-treated children. [ABSTRACT FROM AUTHOR]