Findings

What do systematic reviews say?

678 questions · 854 findings · 51 reviews · Dental caries

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No studies found 38 · 4.4%GRADE not reported 675 · 79%Very low 61 · 7.1%Low 47 · 5.5%Moderate 32 · 3.7%High 1 · 0.1%

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

Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Community-dwelling older adults across 25 countries · Across edentulism prevalence categories
No statistically significant difference in OHRQoL based on edentulism prevalence (Fig. 4c).
Studies not reported
GRADE not reported

Out-of-pocket health expenditure vs Lower vs higher out-of-pocket expenditure categories

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

Lower out-of-pocket health expenditure was associated with better OHRQoL (83.9, 95% CI 75.2 to 92.6 vs 67.5, 95% CI 58.5 to 76.5); the difference was statistically significant (ungraded).

2 findings from 1 review

Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Community-dwelling older adults across 25 countries · Highest out-of-pocket expenditure
MEAN 67.5 [58.5, 76.5]
Studies not reported
GRADE not reported
Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Community-dwelling older adults across 25 countries · Lowest out-of-pocket expenditure
MEAN 83.9 [75.2, 92.6]
Studies not reported
GRADE not reported

Low periodontal-disease prevalence vs Not applicable

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

No statistically significant difference in OHRQoL was reported by periodontal-disease prevalence.

1 finding from 1 review

Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Baseline for longitudinal studies · Community · Low periodontal-disease prevalence
There were no statistically significant differences reported in the OHRQoL sum scores based on periodontal disease prevalence.
Studies not reported
GRADE not reported

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

Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Community-dwelling older adults across 25 countries · Low dental caries prevalence
MEAN 81.5 [76.5, 86.6]
Studies not reported
GRADE not reported

High dental-caries prevalence vs Not applicable

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

The review reported higher OHRQoL in the low than high dental-caries-prevalence category.

1 finding from 1 review

Association between oral health-related quality of life and structural determinants of health among elderly… 2025 All outcomes
Baseline for longitudinal studies · Community · High dental-caries prevalence
71.40 [64.16, 78.63]
Studies not reported
GRADE not reported