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Evidence found and GRADE certainty

9 questions · 9 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 1 · 11.1%Very low 0 · 0%Low 6 · 66.7%Moderate 2 · 22.2%High 0 · 0%

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Self-efficacy related to oral health · school‐age children and adolescents

Theory-based educational interventions significantly improved oral health self-efficacy (SMD 1.49; low certainty), though between-study heterogeneity was very high.

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Oral health attitudes (1-7 scale) · school‐age children and adolescents

Theory-based interventions significantly improved oral health attitude (SMD 9.32; low certainty); the very large effect warrants cautious interpretation.

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Oral health-related quality of life · school‐age children and adolescents

Theory-based interventions significantly improved oral health-related quality of life (SMD 7.38; low certainty), with very high heterogeneity.

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Mean DMFT (decayed, missing, filled permanent teeth) · school‐age children and adolescents

Theory-based interventions showed no significant effect on DMFT scores (SMD -0.11; low certainty).

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Periodontal health status · school‐age children and adolescents

Theory-based interventions significantly improved periodontal health (SMD -1.18; moderate certainty).

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Oral health behaviour (1-9 scale) · school‐age children and adolescents

Theory-based interventions significantly improved oral health behavior (SMD 2.58; low certainty), with very high heterogeneity.

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Oral health knowledge (1-9 scale) · school‐age children and adolescents

Theory-based interventions significantly improved oral health knowledge (SMD 1.09; low certainty).

1 finding from 1 review

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Plaque index (PI) / oral hygiene · school‐age children and adolescents

Theory-based interventions significantly reduced dental plaque (SMD -1.92; moderate certainty).

1 finding from 1 review