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Evidence found and GRADE certainty

7 questions · 7 findings · 5 reviews · Dental caries

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No studies found 0 · 0%GRADE not reported 6 · 85.7%Very low 0 · 0%Low 1 · 14.3%Moderate 0 · 0%High 0 · 0%

Country-level edentulism prevalence (Global Burden of Disease) vs Low vs high edentulism prevalence

Oral health-related quality of life · people aged 60 years and older living in the community

OHRQoL did not differ significantly by country-level edentulism prevalence; no pooled estimate was reported in the text (ungraded).

1 finding from 1 review

Country-level dental caries prevalence (Global Burden of Disease) vs Low vs high dental caries prevalence

Oral health-related quality of life · people aged 60 years and older living in the community

Lower country-level dental caries prevalence was associated with better OHRQoL (low-prevalence pooled mean 81.5, 95% CI 76.5 to 86.6, higher than high-prevalence countries); statistically significant (ungraded).

1 finding from 1 review

Country-level periodontal disease prevalence (Global Burden of Disease) vs Low vs high periodontal disease prevalence

Oral health-related quality of life · people aged 60 years and older living in the community

OHRQoL did not differ significantly by country-level periodontal disease prevalence; no pooled estimate was reported in the text (ungraded).

1 finding from 1 review

Periodontal disease (present) vs Individuals without periodontal disease (by LOA)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Periodontal disease was associated with higher odds of poor OHRQoL (OR 1.15, 95% CI 1.12-1.18; 3 studies; no heterogeneity; ungraded).

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

Restorative dental treatment under general anesthesia vs Before treatment (before-after)

Oral health-related quality of life (child and family) · Preschool children in the United Arab Emirates receiving dental general anesthesia

One study found restorative dental treatment under general anesthesia significantly improved oral health-related quality of life for preschool children and their families (narrative synthesis; not GRADE-rated).

1 finding from 1 review