Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,801 questions · 4,079 findings · 473 reviews

No studies found 669 · 16.4%GRADE not reported 852 · 20.9%Very low 738 · 18.1%Low 903 · 22.1%Moderate 716 · 17.6%High 201 · 4.9%

Sodium hypochlorite 1.3% with MTAD final rinse vs Sodium hypochlorite 1.3% with normal saline final rinse

Proportion of participants or samples with positive bacterial growth culture, up to 72 hours after the procedure · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or periapical…
1 finding from 1 review

Sodium hypochlorite (NaOCl), 2.5% to 5.25% vs Sodium hypochlorite 1%

Proportion of participants with moderate to severe pain up to 6 hours after the procedure · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or periapical…

The review found no eligible studies for this question.

1 finding from 1 review

Sodium hypochlorite 1.3% with MTAD final rinse vs Sodium hypochlorite 1.3% with normal saline final rinse

Change in periapical radiolucency (radiography or CBCT), up to 1 year after treatment · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or periapical…

The review found no eligible studies for this question.

1 finding from 1 review

Sodium hypochlorite 5.25% vs Sodium hypochlorite 5.25% with hydrogen peroxide 3%

Proportion of participants with moderate to severe pain 72 hours to 14 days after the procedure · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or periapical…

Sodium hypochlorite 5.25% showed no clear difference in proportion of participants with moderate to severe pain 72 hours to… compared with sodium hypochlorite 5.25% with hydrogen peroxide 3%; GRADE not reported.

1 finding from 1 review

Low edentulism 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 edentulism prevalence.

1 finding from 1 review

High edentulism 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 edentulism prevalence.

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

Country-level income (World Bank income classification) vs Higher- vs lower-income country categories

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

Community-dwelling older adults in higher-income countries had better OHRQoL than those in lower-income countries (77.9, 95% CI 70.2 to 85.6 vs 66.9, 95% CI 56.7 to 77.0); the difference by income was statistically significant (ungraded).

2 findings from 1 review

Country-level income inequality (Gini index) vs Lower vs higher income inequality categories

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

Older adults in countries with relative income equality (low Gini index) had markedly higher OHRQoL (91.3, 95% CI 90.0 to 92.6) than those in less equal countries; the difference by Gini index was statistically significant (ungraded).

4 findings from 1 review
Show 1 more finding

Human Development Index (HDI) vs Higher vs lower HDI categories

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

Older adults in higher-HDI countries had better OHRQoL (high 79.9, 95% CI 74.4 to 85.5; very high 78.4, 95% CI 71.1 to 85.8) than those in medium-HDI countries (63.5, 95% CI 54.3 to 72.7); the difference by HDI was statistically significant (ungraded).

3 findings from 1 review

High 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

Country-level unemployment rate vs Higher vs lower unemployment-rate categories

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

OHRQoL did not differ significantly across country-level unemployment-rate categories; no pooled estimate was reported in the text (ungraded).

1 finding from 1 review

Unemployment rate 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 unemployment rate.

1 finding from 1 review

Health expenditure per capita vs Higher vs lower per-capita health expenditure categories

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

OHRQoL did not differ significantly across per-capita health-expenditure categories; no pooled estimate was reported in the text (ungraded).

1 finding from 1 review