Impact of dental treatment and the severity of traumatic dental injuries on the quality of life of Brazilian schoolchildren

Background/Aims

Traumatic dental injuries (TDI) are most prevalent during adolescence and infancy, and they have an important impact on the oral health-related quality of life (OHRQoL). The aim of this study was to assess the effect of dental treatment and the severity of TDI on the OHRQoL of schoolchildren in public schools in Brazil.

Materials and Methods

This cross-sectional study evaluated schoolchildren aged 11 to 14 years in Brasilia, Brazil. The criteria used for the examinations were TDI—O’Brien criteria; Dental caries—DMFT criteria; and malocclusion—the Dental Aesthetic Index. The impact of oral health on the children's quality of life was assessed with the Child Perceptions Questionnaire (CPQ11–14) that was completed by the children while on the school premises. Socio-demographic information was also collected from the parents. Statistical analysis was performed using non-parametric and association tests, as well as linear regression.

Results

A total of 20.2% of the students had some TDI in their permanent anterior teeth; 20% of traumatized teeth were treated, and 80% were not treated. Sorting by severity, 75.1% of the schoolchildren had a TDI involving only the enamel, and 24.9% had a TDI extending beyond the enamel. Significant differences were observed between the severity of a TDI and the total scores of CPQ11–14 (Kruskal–Wallis; p = 0.0026), emotional well-being (p = 0.0006), and social well-being (p = 0.0001) when the group with TDI extending beyond the enamel was compared with the other groups (control and with TDI involving only the enamel), even after adjustment for socio-demographic and clinical variables. For oral symptoms and functional limitation, no differences were observed among the groups.

Conclusions

Dental trauma and fractures extending beyond the enamel, treated or not, have a negative impact on the OHRQoL of schoolchildren, suggesting effects on self-perception and in the social and emotional spheres.

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