Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · Oral Health

No studies found 287 · 19%GRADE not reported 823 · 54.4%Very low 243 · 16.1%Low 104 · 6.9%Moderate 49 · 3.2%High 8 · 0.5%

Chlorhexidine varnish (10%) vs placebo or no treatment

Elevated mutans streptococci levels (>=4 with caries screen; high vs low) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

It is very uncertain whether chlorhexidine varnish (10%) changes elevated mutans streptococci levels (>=4 with caries screen; high vs… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Micro-invasive treatment (proximal sealing or resin infiltration): resin sealant, glass ionomer sealant, polyurethane/adhesive patch, or resin infiltration vs Non-invasive / control treatment

Material deficiency (retention/adaptation loss; re-treatment) · Dentate children and adults with non-cavitated proximal caries lesions extending into enamel or dentine (not pulp) in primary or permanent…
1 finding from 1 review

Chlorhexidine varnish vs placebo or no treatment

Dental caries: dmfs increment (primary teeth) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…
1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Proportion of children not remaining caries-free · Children and adolescents aged 16 years or younger (permanent dentition)

Fluoride gel (topically applied; operator- or self-applied; any… showed no clear difference in proportion of children not remaining caries-free compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Vitamin D vs placebo or control

Fasting blood glucose (mg/dL) · Adults with diabetes

Meta-analysis of randomised trials of vitamin D supplementation for Fasting glucose (Diabetes patients with normal glucose tolerance): WMD 0.01 (95% CI -0.21 to 0.23), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

2 findings from 1 review

Systemic interventions (aciclovir, thalidomide, corticosteroids, rebamipide, etanercept, colchicine, interferon-alpha) vs placebo

Safety of the intervention (adverse effects) · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • SoF 2 (systemic interventions vs placebo), grouped comment spanning all four listed outcomes (verbatim; the review's wording "topical" is a typo for systemic): "8 placebo-controlled trials evaluated topical…
    Studies not reported
    GRADE not reported

Sucralfate suspension (topical) vs Placebo suspension

Duration of episodes · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Sucralfate suspension (topical) showed no clear difference in mean duration of episodes compared with placebo suspension; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Patient-reported altered sensation (spontaneous or evoked: anaesthesia/paraesthesia/dysaesthesia/hyperalgesia/allodynia) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

It is very uncertain whether low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… changes patient-reported altered sensation (spontaneous or evoked:… compared with placebo (sham) laser therapy (very low certainty).

2 findings from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Somatosensory evoked potentials · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Hypercalcaemia · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hypercalcaemia: RR 3.80 (95% CI 0.90 to 16.12), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Interferon-alpha (topical lozenges) vs placebo

Total ulcer burden · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • Kilic 2009 (interferon-alpha lozenges 1000 IU or 2000 IU vs placebo, 84 patients; high risk of selective reporting): the data presented did not allow analysis; authors reported no statistically significant difference…
    1 study · 84 participants
    GRADE not reported

Vitamin D vs placebo or control

Femoral neck bone mineral density (FN-BMD) · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in femoral neck, Community-dwelling adults: WMD 1.10 (95% CI 0.40 to 1.90), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Systemic interventions (aciclovir, thalidomide, corticosteroids, rebamipide, etanercept, colchicine, interferon-alpha) vs placebo

Episode duration associated with oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • SoF 2 (systemic interventions vs placebo), grouped comment spanning all four listed outcomes (verbatim; the review's wording "topical" is a typo for systemic): "8 placebo-controlled trials evaluated topical…
    Studies not reported
    GRADE not reported

Vitamin D vs placebo or control

Lumbar spine bone mineral density (BMD) · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in lumbar spine, Community-dwelling adults: WMD 0.10 (95% CI -0.60 to 0.70), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Vitamin D vs placebo or control

Non‐vertebral fractures · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Fractures: non-vertebral, People aged >65 years: RR 0.79 (95% CI 0.63 to 0.99), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D vs placebo or control

Muscle strength · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Performance measures: muscle strength, Older adults: SMD -0.19 (95% CI -0.35 to -0.02), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Colchicine (systemic; 0.5 mg weight-adjusted daily) vs placebo

Total number of oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Colchicine (systemic; 0.5 mg weight-adjusted daily) showed no clear difference in total number of oral ulcers compared with placebo (moderate certainty).

1 finding from 1 review

Vitamin D vs placebo or control

Fractures: non-vertebral, non-hip · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Fractures: non-vertebral, non-hip, Older women: OR 0.69 (95% CI 0.21 to 1.66), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Systemic interventions (aciclovir, thalidomide, corticosteroids, rebamipide, etanercept, colchicine, interferon-alpha) vs placebo

Pain associated with oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • SoF 2 (systemic interventions vs placebo), grouped comment spanning all four listed outcomes (verbatim; the review's wording "topical" is a typo for systemic): "8 placebo-controlled trials evaluated topical…
    Studies not reported
    GRADE not reported