Background/Aims: The literature is scarce on the association between traumatic dental injuries (TDI) and oral health-related quality of life (OHRQoL) among adolescents, and there is no study assessing this relationship using clinical criteria for the assessment of TDI in this age group. The aim of this study was to assess the association between TDI and OHRQoL among 15 to 19yearold adolescents from Santa Maria, Brazil. Materials and Methods: A population-based cross-sectional study was conducted including a representative sample of 1197 15 to 19yearold adolescents attending 31 public and private schools. The Oral Health Impact Profile-14 (OHIP-14) was used to evaluate the OHRQoL, and clinical examinations were performed to diagnose TDI based on the O'Brien classification. Demographic information, socioeconomic status, and clinical characteristics (caries experience, malocclusion, and gingivitis) were also collected as adjusting variables. Multilevel Poisson regression models were used to assess the association between TDI and OHRQoL. Rate ratios (RR) and 95% confidence intervals (95% CI) were estimated. Results: The overall prevalence of TDI was 17%, mild trauma was 12%, and severe trauma was 5%. In the adjusted models, adolescents with TDI had poorer OHRQoL than those without TDI (RR = 1.10; 95% CI = 1.05-1.16). This negative effect was related to the psychological disability domain (RR = 1.16; 95% CI = 1.02-1.32), to the social disability domain (RR = 1.34; 95% CI = 1.13-1.59), and to the handicap domain
The aim of this study was to assess the occurrence of erosive tooth wear (ETW) among 15-19-year-old South Brazilian adolescents, regarding prevalence, extent, severity, intraoral distribution, and sociodemographic risk indicators. A population-based cross-sectional survey was conducted in Santa Maria, southern Brazil, and included a representative sample of 15-19-year-old adolescents. Data collection included the application of a questionnaire and a clinical examination. A questionnaire was sent to the parents/legal guardians of the selected students, containing questions on demographic information, socioeconomic characteristics, and living conditions. After tooth cleaning and drying, all erupted permanent teeth were clinically assessed by two calibrated examiners, and classified according to the Basic Erosive Wear Examination (BEWE). The association between explanatory variables and the outcomes (ETW prevalence and extent) was assessed using Poisson regression models (both unadjusted and adjusted). A total of 1,197 adolescents were included in the study (participation rate of 72.3%). The overall prevalence of ETW was 57%. Severe ETW affected 16% of the sample. Overall, this adolescent population presented 13.3 affected surfaces, and 8.34 affected teeth. In the risk assessment analysis, gender, skin color, socioeconomic status, and family income were significantly associated with ETW. Boys, white adolescents, and those with higher socioeconomic status were more affected by ETW. This population-based cross-sectional study revealed that the prevalence of ETW was high, and that it was associated with sociodemographic variables in this South Brazilian population of adolescents.
This population-based cross-sectional study investigated the association between toothbrush bristle stiffness and the occurrence of erosive tooth wear (ETW) among 15- to 19-year-old adolescents from southern Brazil. Data collection included the application of questionnaires and clinical examination. One questionnaire on sociodemographic information (sex, age, and socioeconomic status) was sent to the parents/legal guardians, while the other was applied to students and collected data regarding oral hygiene habits (toothbrushing frequency, toothbrushing after meals, and toothbrush bristle stiffness) and dietary habits (frequency of consumption of soft drinks, citric fruits, and fruit juice). After tooth cleaning and drying, all erupted permanent teeth were clinically assessed and classified according to the Basic Erosive Wear Examination (BEWE) by 2 calibrated examiners. The association between explanatory variables and ETW prevalence was assessed using Poisson regression models. Prevalence ratios (PRs) and their 95% confidence intervals (CIs) were estimated. A total of 1,197 adolescents were included (participation rate 72.3%). The overall prevalence of ETW was 57%. The final model showed that individuals who used toothbrushes with soft (PR = 1.28, 95% CI = 1.02–1.60) or medium (PR = 1.30, 95% CI = 1.01–1.69) bristles presented a higher ETW prevalence than those who used toothbrushes with extra-soft bristles, even after the adjustment for important cofactors. In conclusion, this study found a very weak but significant association between toothbrush bristle stiffness and ETW among Brazilian adolescents. Considering the cross-sectional design of this study and considering that some association was found even in such a young population, future studies using different designs and including different age-groups might elucidate the clinical relevance of this finding.
This study aimed to assess the relationship between self-perceived neighborhood factors and oral health-related quality of life (OHRQoL) among adolescents from southern Brazil. A representative sample of 15-19-year-old students from Santa Maria, Brazil, was included. The Oral Health Impact Profile (OHIP-14) was used to assess the OHRQoL. Self-perceived neighborhood factors were assessed through a structured questionnaire and included characteristics of the neighborhood where the adolescents lived, such as the presence of paved streets, tap water, community social networks, and availability of dental services and the Family Health Strategy (FHS). In addition, socioeconomic, behavioral, and clinical variables (dental caries and malocclusion) were also evaluated. Multilevel Poisson regression analysis with a hierarchical approach was used to assess the association between predictors and OHIP-14. The rate ratio (RR) and 95% confidence intervals (CIs) were estimated. A total of 1,197 adolescents were included in this study (participation rate: 72.3%). The mean OHIP-14 score was 8.4 (standard error = 0.2), ranging from 0 to 49. Living in residences with unpaved streets (RR = 1.11, 95%CI:1.06−1.17), no tap water (RR = 1.11, 95%CI: 1.02−1.20), absence of the FHS services (RR = 1.15, 95%CI: 1.09−1.20), and the availability of dental services (RR = 1.08, 95%CI: 1.03−1.14) were associated with higher OHIP-14 scores, indicating a poorer OHRQoL. In addition, lower socioeconomic status, visiting the dentist for curative reasons, lower frequency of brushing teeth, and higher sugar consumption were also associated with higher OHIP-14 scores. In conclusion, self-perceived neighborhood characteristics were associated with OHRQoL in adolescents. Adolescents who perceived their neighborhood as deprived had poorer OHRQoL.
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