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%

Benzodiazepines (systemic clonazepam 0.5 mg/day) 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 (systemic clonazepam 0.5 mg/day) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Post‐treatment communication (text messaging) vs No communication (no text message)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
1 finding from 1 review

Vibratory stimulation (vibratory adjuncts) vs No vibration or placebo vibration

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

Vibratory stimulation (vibratory adjuncts) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no vibration or placebo vibration; GRADE not reported.

5 findings from 1 review
Show 2 more findings

Brain wave music (BWM) vs No special instructions (control)

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

Brain wave music (BWM) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no special instructions (control); GRADE not reported.

3 findings from 1 review

Cholinergics (bethanechol 15 mg/day) 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 cholinergics (bethanechol 15 mg/day) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Psychological therapies (cognitive 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 psychological therapies (cognitive therapy) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Topical treatments (capsaicin 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
2 findings from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · capsaicin oral rinse
    Capsaicin oral rinse (Marino 2010; Silvestre 2012) contributes to the topical treatments short-term symptom-relief comparison (insufficient/contradictory). Silvestre 2012 data not presented due to 23% first-phase…
    1 study
    GRADE not reported
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    long-term (>3 to 6 months) · capsaicin oral rinse
    MD -2.60 [-5.11, -0.09]
    1 study · 18 participants
    Very low

Amisulpride (antipsychotic, 50 mg/day) 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)
    Bogetto 1999 (amisulpride) included in the antidepressants/antipsychotics comparison but data not presented due to excessive attrition (19/24; 79%) in the placebo arm.
    1 study
    GRADE not reported

Psychological intervention: structured telephone call (verbal follow‐up and reassurance) vs placebo or no intervention

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

The review found no eligible studies for this question.

1 finding from 1 review

Antidepressants (trazodone 200 mg/day) 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 antidepressants (trazodone 200 mg/day) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Benzodiazepines (systemic clordemetildiazepam 1 mg/day) 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) · clordemetildiazepam
    Bogetto 1999 (clordemetildiazepam) included in the benzodiazepine comparison but data not presented (79% placebo-arm attrition).
    1 study
    GRADE not reported

Vibratory stimulation (vibratory adjuncts) vs No vibration or placebo vibration

Dose/intensity and frequency of pain relief needed (analgesic/rescue medication use) · Adolescents and adults undergoing orthodontic treatment

Vibratory stimulation (vibratory adjuncts) led to lower dose/intensity and frequency of pain relief needed (analgesic/rescue… compared with no vibration or placebo vibration; GRADE not reported.

1 finding from 1 review

Dietary supplements (Catuama herbal compound) 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) · Catuama
    'Catuama' herbal compound (Spanemberg 2012) contributes to the dietary supplements short-term symptom-relief comparison (insufficient/contradictory); no separate estimate reported.
    1 study · 72 participants
    GRADE not reported

Physical barriers (tongue protector + reinforced self-control instruction) 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 physical barriers (tongue protector + reinforced self-control… changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Amitriptyline 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

Dietary supplements (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) · lycopene
    Lycopene (Cano-Carrillo 2014) contributes to the dietary supplements short-term symptom-relief comparison (12 RCTs, insufficient/contradictory); no separate lycopene symptom-relief estimate reported.
    1 study · 50 participants
    GRADE not reported

Topical treatments (topical urea 10%) 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) · topical urea 10%
    Topical urea 10% (Alvarenga da Silva 2014) contributes to the topical treatments short-term symptom-relief comparison (insufficient/contradictory); no separate estimate reported.
    1 study · 38 participants
    GRADE not reported

Corticosteroids vs control

Adverse events: hypertension · patients with Guillain‐Barré syndrome

Corticosteroid leads to lower adverse events ‐ hypertension compared with control (high certainty).

1 finding from 1 review