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Evidence found and GRADE certainty

1,183 questions · 1,283 findings · 30 reviews · Oral medicine and oral cancer

No studies found 164 · 12.8%GRADE not reported 802 · 62.5%Very low 209 · 16.3%Low 71 · 5.5%Moderate 36 · 2.8%High 1 · 0.1%

Dietary supplements (hypericum perforatum / St John's Wort) 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) · hypericum perforatum
    Hypericum perforatum extract (Sardella 2008, the only low-risk-of-bias study) contributes to the dietary supplements short-term symptom-relief comparison (insufficient/contradictory); no separate estimate reported.
    1 study · 43 participants
    GRADE not reported

Herbal extracts (tea components; Chinese herbal mixture; freeze-dried black raspberry gel) vs placebo or no treatment

Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    up to 3 months
    SoF 4, Safety of the intervention up to 3 months: '3 studies measured adverse effects: green tea extract capsules caused high frequency (93%) of adverse effects of varying severity in 1 study; the mixed tea study did…
    3 studies
    GRADE not reported

Paroxetine 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 (hypericum perforatum / St John's Wort) vs placebo

QoL · 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) · hypericum perforatum
    Sardella 2008 (43 participants) evaluated QoL from patient self-reports and narratively indicated that both intervention and placebo participants were better able to cope at trial completion.
    1 study · 43 participants
    GRADE not reported

Dietary supplements (lycopene) vs placebo

QoL · 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 dietary supplements (lycopene) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review

Benzodiazepines (topical clonazepam) vs placebo

Adverse effects: euphoric behaviour · 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 adverse effects: euphoric behaviour compared with placebo (very low certainty).

1 finding from 1 review

Topical treatments (topical urea 10%) vs placebo

Change in taste · 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%
    SoF9. Change in taste short-term (Quantitative Sensory Testing gustative threshold): single study narratively reported no difference in short-term gustation thresholds; 38 participants (1 RCT, topical urea); very low.
    1 study · 38 participants
    Very low

Low‐level laser therapy vs placebo

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Removal of predisposing habits (e.g. tobacco/alcohol cessation) vs Placebo or no treatment

Outcome not reported · People with a diagnosis of oral leukoplakia

The review found no eligible studies for this question.

1 finding from 1 review

Physical barriers (tongue protector) vs placebo

QoL · 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) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review

Dietary supplements (alpha lipoic acid +/- adjunctive ingredients) vs placebo

Adverse effects: headache · 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 dietary supplements (alpha lipoic acid +/- adjunctive ingredients) changes adverse effects: headache compared with placebo (very low certainty).

1 finding from 1 review

Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic acid, acitretin) vs placebo or no treatment

Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    4 to 12 months
    SoF 1, Safety of the intervention at 4 to 12 months: '3 studies (1 each evaluating topical acitretin, topical 13-cis-retinoic acid, 200,000 IU per week of vitamin A) found no adverse effects. Systemic 13-cis-retinoic…
    4 studies
    GRADE not reported

Bowman-Birk inhibitor vs placebo or no treatment

Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    up to 6 months
    SoF 6, Safety of the intervention up to 6 months: 'Trial authors reported that there were no significant adverse effects. 33 participants in the intervention group reported 75 adverse effects. 25 participants in the…
    1 study
    GRADE not reported

Low‐level laser therapy vs placebo

Adverse effects · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Physical barriers (tongue protector) vs placebo

Change in QoL - depression (surrogate marker) · 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) changes change in QoL - depression (surrogate marker) compared with placebo (very low certainty).

1 finding from 1 review

Gabapentin vs placebo

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Dietary supplements (lycopene) vs placebo

Change in QoL - anxiety (surrogate marker) · 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 dietary supplements (lycopene) changes change in QoL - anxiety (surrogate marker) compared with placebo (very low certainty).

1 finding from 1 review

Alpha‐lipoic acid vs placebo

Change in taste · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Trazodone vs placebo

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review