Introduction: Dental caries with pulp involvement potentially impacts the oral health-related quality of life (OHRQoL). This meta-analysis aimed to evaluate whether clinical consequences of pulp involvement due to dental caries impacts OHRQoL of children and adolescents.
Methods: Observational studies evaluating whether children/adolescents (population) with pulp involvement due to caries (exposition) compared with those without it (comparison) have more negative impact on their OHRQoL (outcome) were included. A systematic search was undertaken in August 2022 in seven databases. Alerts were set until August 2023. JBI Critical Appraisal tool for cross-sectional studies was used for methodological quality assessment. Random-effects meta-analyses were performed to calculate mean differences (MD) or standardized mean differences (SMD) of impact on OHRQoL. For studies with dichotomous outcome, meta-analysis calculated the odds ratio (OR). Robustness, heterogeneity, certainty of evidence, and publication bias were evaluated.
Results: From 29 included studies, 14 assessed preschoolers, nine assessed schoolchildren, four assessed adolescents, and two assessed children/adolescents. PUFA was the main index used to assess the exposure. ECOHIS (preschoolers) and CPQ (children/adolescents) were the main tools used to assess the outcome. Only five articles fully adhered to the quality criteria. The meta-analyses found the following main results: (a) preschoolers: MD -10.79 (-16.50; -5.09); (b) schoolchildren: MD -5.12 (-7.51; -2.72); (c) adolescents: MD -1.86 (-4.59; 0.87); (d) overall impact: SMD -2.18; (CI: -3.21;-1.15) and OR 0.52 (CI: 0.30; 0.90).
Conclusion: Pulp involvement impacted OHRQoL of children negatively. In adolescents, this impact was not observed. Results must be interpreted with caution due to very low certainty of evidence.
Keywords: Dental caries; Oral health-related quality of life; Pulp involvement; Quality of life.
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