Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

Acupuncture vs treatment

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · adults with neuropathic pain

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Mean pain intensity at end of study · people with cancer pain
1 finding from 1 review

Dietary supplements (alpha lipoic acid +/- vitamins/lycopene/green tea; hypericum; Catuama; lycopene) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months)
    SoF5 Dietary supplements vs placebo. Symptom relief short-term: insufficient or contradictory evidence regarding benefit of any evaluated dietary supplement; 628 participants (12 RCTs); very low. Subgroups: ALA without…
    12 studies · 628 participants
    Very low

Topical treatments (benzydamine hydrochloride oral rinse) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · benzydamine hydrochloride
    SoF9 Topical treatments vs placebo. Symptom relief short-term: insufficient or contradictory evidence regarding benefit of any evaluated topical treatment; 150 participants (4 RCTs); very low. Subgroups: benzydamine (1…
    4 studies · 150 participants
    Very low

Benzodiazepines (topical clonazepam) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether benzodiazepines (topical clonazepam) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

2 findings from 1 review

Anticonvulsants (gabapentin 300 mg/day, +/- alpha lipoic acid) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether anticonvulsants (gabapentin 300 mg/day, +/- alpha lipoic acid) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

CBT vs No special instructions (control)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adults undergoing orthodontic treatment

Cognitive behavioural therapy (CBT) led to lower patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no special instructions (control); GRADE not reported.

3 findings from 1 review

Low‐level laser therapy vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Low‐level laser therapy vs Placebo (or no irradiation)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults undergoing orthodontic treatment

Low‐level laser therapy (LLLT) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with placebo (or no irradiation); GRADE not reported.

5 findings from 1 review
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Experimental chewing adjuncts (bite wafers or chewing gum) vs No chewing gum, placebo, or control (no adjunct)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents/teenagers undergoing orthodontic treatment

Experimental chewing adjuncts (bite wafers or chewing gum) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no chewing gum, placebo, or control (no adjunct); GRADE not reported.

5 findings from 1 review
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