Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,191 questions · 2,354 findings · 362 reviews

No studies found 323 · 13.7%GRADE not reported 382 · 16.2%Very low 555 · 23.6%Low 597 · 25.4%Moderate 345 · 14.7%High 152 · 6.5%

Genetically predicted periodontitis vs Lower genetically predicted periodontitis liability

Bone mineral density in forearm · European-ancestry adults

Genetically predicted periodontitis had no causal effect on forearm BMD.

1 finding from 1 review

Genetically predicted DMFS (dental caries) vs Lower genetically predicted DMFS

Osteoporosis · European GWAS participants

The SVMR Weighted Median interval excluded the null.

3 findings 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

Genetically predicted periodontitis vs Lower genetically predicted periodontitis liability

Forearm fracture · European-ancestry adults

Genetically predicted periodontitis had no causal effect on fracture of forearm (multivariable MR, OR 0.995).

2 findings from 1 review

Genetically predicted periodontitis vs Lower genetically predicted periodontitis liability

Femur fracture · European GWAS participants

The SVMR Weighted Median interval included the null.

3 findings from 1 review

Genetically predicted periodontitis vs Lower genetically predicted periodontitis liability

Postmenopausal osteoporosis with pathological fracture · European GWAS participants

The SVMR Weighted Median interval included the null.

3 findings from 1 review

Genetically predicted periodontitis vs Lower genetically predicted periodontitis liability

Postmenopausal osteoporosis with pathological fracture · Postmenopausal women (European ancestry)

Genetically predicted periodontitis had no causal effect on postmenopausal osteoporosis with pathological fracture (single-variable MR, OR 1.014).

2 findings from 1 review

Genetically predicted DMFS (dental caries) vs Reference (1-SD lower genetically predicted DMFS)

Femur fracture · European-ancestry adults

Genetically predicted dental caries (DMFS) had no significant causal effect on fracture of femur (multivariable MR, OR 1.069).

2 findings from 1 review

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

Genetically predicted pulp and periapical diseases vs Without pulp and periapical diseases (lower genetic liability)

Lacunar stroke · European-ancestry adults

Genetically predicted pulp and periapical diseases were associated with modestly higher odds of lacunar stroke (OR 1.20); ungraded MR, FDR-adjusted P 0.033.

1 finding from 1 review

Genetically predicted DMFS (dental caries) vs Lower genetically predicted DMFS

Forearm fracture · European GWAS participants

The SVMR Weighted Median interval included the null.

3 findings from 1 review

Thermoelastic copper NiTi (CuNiTi) arch wire vs Conventional (stabilised) NiTi arch wire

Time to next/working arch wire · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)

Thermoelastic copper NiTi (CuNiTi) arch wire showed no clear difference in time to next/working arch wire compared with conventional NiTi arch wire; GRADE not reported.

1 finding from 1 review