Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,692 questions · 2,586 findings · 180 reviews · Dental caries

No studies found 194 · 7.5%GRADE not reported 1,937 · 74.9%Very low 248 · 9.6%Low 136 · 5.3%Moderate 52 · 2%High 19 · 0.7%

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

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

Preterm birth (oral health / enamel defects) vs Full-term children

Caries (DMFT) and enamel defects · Preterm children (about 8 years old) in the United Arab Emirates (Dubai)

One study found preterm children had higher DMFT and a fourfold higher prevalence of enamel defects than full-term children (narrative synthesis; not GRADE-rated).

1 finding from 1 review

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

Osteoporosis with pathological fracture · European-ancestry adults

In multivariable MR, genetically predicted dental caries (DMFS) had no significant causal effect on osteoporosis with pathological fracture (OR 1.279, not significant).

2 findings from 1 review

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

Osteoporosis · European-ancestry adults

In multivariable MR (adjusted for periodontitis), higher genetically predicted dental caries (DMFS) causally increased osteoporosis risk (OR 1.165, moderate evidence).

2 findings from 1 review

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

Bone mineral density in forearm · European-ancestry adults

Genetically predicted dental caries (DMFS) had no causal effect on forearm BMD.

1 finding from 1 review

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

Lumbar spine and pelvis fracture · European-ancestry adults

Genetically predicted dental caries (DMFS) had no significant causal effect on fracture of lumbar spine and pelvis (multivariable MR, OR 0.968).

2 findings from 1 review

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

Forearm fracture · European-ancestry adults

Genetically predicted dental caries (DMFS) had no significant causal effect on fracture of forearm (multivariable MR, OR 0.973).

2 findings from 1 review

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

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

In multivariable MR (adjusted for periodontitis), genetically predicted dental caries (DMFS) causally increased postmenopausal osteoporosis with pathological fracture (OR 1.422, moderate evidence).

2 findings from 1 review

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

Femoral neck bone mineral density (FN-BMD) · European-ancestry adults

Genetically predicted dental caries (DMFS) had no causal effect on femoral neck BMD.

1 finding 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

Depression and social isolation (psychosocial strain) vs No depression or lower psychosocial strain

Antibody titres to periodontal pathogens · Adults with periodontitis

In one case-control study, depression as a marker of social isolation was associated with elevated antibody titres to periodontal pathogens at baseline and 1-year follow-up; not pooled (ungraded).

1 finding from 1 review

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

Genome-wide common variants (additive dosage; present-study GWAS) vs Genome-wide significance threshold (P<5E-8)

Dental caries - genome-wide-significant loci · Japanese adults (present-study cohort: 30,859 dental caries cases / 14,666 controls)

The present Japanese GWAS found no genome-wide-significant loci for dental caries (top suggestive rs140784657); ungraded.

1 finding from 1 review
  • Genome-wide association meta-analysis identifies two novel loci associated with dental caries. 2024 All outcomes
    Lifelong (germline genotype) · Population-based genetic association study (Japanese direct-to-consumer genetic testing cohort) · Present-study GWAS (Japanese)
    In the present Japanese GWAS, no loci reached genome-wide significance (P<5E-8) for dental caries; several loci reached the suggestive level (P<1E-5). Top-associated variant rs140784657 (intergenic). All 47 lead…
    1 study · 45525 participants
    GRADE not reported