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%

Vitamin D compounds (supplementation) vs placebo or control

Bone pain · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Bone pain: RR 0.29 (95% CI 0.03 to 2.63), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Bone mineral density · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density, Community-dwelling adults: WMD -0.9 (95% CI -2.10 to 0.40), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

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

Thermosensory (thermal) perception · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… showed no clear difference in thermosensory (thermal) perception compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

Vitamin D vs placebo or control

Insulin resistance · Adults with diabetes

Meta-analysis of randomised trials of vitamin D supplementation for Insulin resistance (Diabetes): SMD 0.16 (95% CI -0.11 to 0.42), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Primary outcome: topical local anaesthetics vs placebo or no treatment

Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…

The review found no eligible studies for this question.

1 finding from 1 review

Sucralfate suspension (topical) vs Placebo suspension

Episode frequency associated with oral ulcers · 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 frequency of oral ulcers compared with placebo suspension; GRADE not reported.

1 finding from 1 review

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

Patient satisfaction · 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

Infiltration injection local anaesthetic vs no treatment or placebo

Physiological parameters (cardiac/respiratory events; type and volume of GA drug) · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…
1 finding from 1 review

Topical interventions (sucralfate, interferon-alpha, cyclosporin A) 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 (topical interventions vs placebo), grouped comment spanning all four listed outcomes (verbatim): "5 placebo-controlled trials evaluated topical interventions (sucralfate suspension (2 trials), interferon-alpha (2…
    Studies not reported
    GRADE not reported

Electrostimulation (device) vs Placebo (sham/placebo device)

Dry mouth (xerostomia) · Adults with dry mouth due to Sjogren's Syndrome
1 finding from 1 review

Fluoride varnish vs placebo or no treatment

Proportion of children developing new caries (deciduous) · Children and adolescents aged 16 years or less

Fluoride varnish showed no clear difference in proportion of children developing one or more new caries… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Fluoride varnish vs placebo or no treatment

Adverse effects / specific side effects (oral allergic reactions, mucosal irritation, adverse symptoms such as nausea, gagging, vomiting) · Children and adolescents aged 16 years or less
1 finding from 1 review

Acupuncture vs sham

Unstimulated whole saliva (UWS) · Adults with dry mouth due to radiotherapy (head and neck cancer) or Sjogren's Syndrome

Acupuncture may leads to higher unstimulated whole saliva (UWS) compared with placebo (sham acupuncture) (low certainty).

2 findings from 1 review