Findings

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Evidence found and GRADE certainty

1,127 questions · 1,590 findings · 132 reviews · Oral Health

No studies found 189 · 11.9%GRADE not reported 1,166 · 73.3%Very low 130 · 8.2%Low 69 · 4.3%Moderate 25 · 1.6%High 11 · 0.7%

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration

Colorectal cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 25(OH)D) for Colorectal cancer: RR 0.70 (95% CI 0.58 to 0.84), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Alteration of hyperdivergent growth pattern · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…
1 finding from 1 review
  • Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes
    End of treatment (about 2 years)
    Multiple cephalometric measures reported (Erbay 1995). Treated group: total anterior facial height (N-Me) +3.9 (SD 1.8) mm, upper anterior facial height (N-ANS) +3.3 (SD 1.2) mm; controls showed significantly greater…
    1 study
    GRADE not reported

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration

CVD · Adults (general population)

Meta-analysis of observational studies (higher vs lower 25(OH)D) for Cardiovascular disease: RR 0.66 (95% CI 0.57 to 0.77), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Economic evaluation (costs) · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration

Depression · Adults (general population)

Meta-analysis of observational studies (higher vs lower 25(OH)D) for Depression (Cohort studies): HR 0.44 (95% CI 0.27 to 0.72), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

2 findings from 1 review

Steri-Oss acid-etched titanium screws vs Southern blasted/etched titanium screws

Implant failure · Adults with missing teeth who received osseointegrated root-formed oral implants, functionally loaded and followed for at least 1 year

Steri-Oss acid-etched titanium screws showed no clear difference in implant failure compared with southern blasted/etched titanium screws; GRADE not reported.

1 finding from 1 review

Southern regular implants vs Neoss turned implants

Implant failure · Adults with missing teeth who received osseointegrated root-formed oral implants, functionally loaded and followed for at least 1 year

Southern regular implants showed no clear difference in implant failure compared with neoss turned implants; GRADE not reported.

1 finding from 1 review

Higher circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration vs Lower circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration

Breast cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 1,25(OH)2D) for Breast cancer: OR 0.99 (95% CI 0.68 to 1.44), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration

Ischaemic stroke · Adults (general population)

Meta-analysis of observational studies (higher vs lower 25(OH)D) for Ischaemic stroke (Hazard ratio (cohort studies)): HR 0.66 (95% CI 0.55 to 0.80), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

2 findings from 1 review

Higher circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration vs Lower circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration

Colon cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 1,25(OH)2D) for Colon cancer: OR 0.88 (95% CI 0.57 to 1.35), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Higher circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration vs Lower circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration

Aggressive prostate cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 1,25(OH)2D) for Aggressive prostate cancer: OR 0.75 (95% CI 0.48 to 1.17), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Higher maternal circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower maternal circulating 25-hydroxyvitamin D (25(OH)D) concentration

Gestational diabetes · pregnant women and their infants..

Meta-analysis of observational studies (higher vs lower maternal 25(OH)D) for Gestational diabetes: OR 0.67 (95% CI 0.53 to 0.85), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Reduction of snoring · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Repelling-magnet splints vs Bite-blocks

Anterior open bite correction · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…
1 finding from 1 review
  • Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes
    About 4 months (treatment interrupted early)
    Could not be analysed statistically. After 4 months the open bite was observed to close in the magnet group, but in four out of these ten patients transverse problems (unilateral crossbite) were observed, which led to…
    1 study
    GRADE not reported

NobelActive external connection implants vs NobelActive internal connection implants

Implant failure · Adults with missing teeth who received osseointegrated root-formed oral implants, functionally loaded and followed for at least 1 year

NobelActive external connection implants showed no clear difference in implant failure compared with nobelActive internal connection implants; GRADE not reported.

1 finding from 1 review

Higher circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration vs Lower circulating 1,25-dihydroxyvitamin D (1,25(OH)2D) concentration

Prostate cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 1,25(OH)2D) for Prostate cancer: OR 0.99 (95% CI 0.87 to 1.14), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration

Kidney cancer · Adults (general population)

Meta-analysis of observational studies (higher vs lower 25(OH)D) for Kidney cancer: OR 1.01 (95% CI 0.65 to 1.58), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Bone graft with platelet-rich plasma (PRP) vs Bone graft without PRP

Implant failure · Patients with insufficient bone below the maxillary sinus requiring dental implants
1 finding from 1 review