Oral problems and quality of life of preschool children: self-reports of children and perception of parents/caregivers

The purpose of this study was to evaluate the association between oral health problems and oral health-related quality of life (OHRQoL) of preschool children according to both self-reports and the reports of parents/caregivers. A school-based, cross-sectional study was conducted with 769 preschool children and their parents/caregivers. The OHRQoL was evaluated using the Scale of Oral Health Outcomes for Five-Year-Old Children (SOHO-5). Based on logistic regression for complex samples, the following variables were found to be associated with poorer OHRQoL in the parent/caregiver version: toothache (OR = 6.77; 95% CI: 3.95–11.59); consequences of untreated dental caries (OR = 2.69; 95% CI: 1.27–5.70); and anterior open bite (OR = 2.01; 95% CI: 1.13–3.56). The following variables were associated with poorer OHRQoL in the child self-report version: toothache (OR = 3.34; 95% CI: 2.11–5.29); cavitated lesions (anterior teeth) (OR = 2.20; 95% CI: 1.26–3.84); occurrence of traumatic dental injury (OR = 1.77; 95% CI: 1.19–2.61); and anterior open bite (OR = 1.95; 95% CI: 1.16–3.29). We conclude that children with dental caries (or its sequelae) had poorer OHRQoL. Having experienced a traumatic dental injury and having a malocclusion were also associated with a poorer OHRQoL.

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