Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · All outcomes

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%

Benzodiazepines (topical clonazepam) vs placebo

Somnolence · 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: drowsiness compared with placebo (very low certainty).

1 finding from 1 review

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

Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4, Clinical resolution (not completely resolved) at 3 to 6 months: '3 studies (freeze-dried black raspberry gel, green tea extract capsules, mixed tea) did not find evidence of benefit.' No GRADE. Effects text:…
    4 studies
    GRADE not reported

Benzodiazepines (topical clonazepam) vs placebo

Adverse effects: dry mouth · 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: dry mouth compared with placebo (very low certainty).

1 finding from 1 review

Preoperative analgesics (analgesics given before dental treatment) vs Placebo or no analgesics

Intraoperative pain · Children and adolescents aged up to 17 years having dental treatment (orthodontic treatment, fillings, pulp treatment, or tooth…

The review found no eligible studies for this question.

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Nocturnal symptom: nightmares (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

Oral appliance or functional orthopaedic appliance showed no clear difference in nocturnal symptom: nightmares (questionnaire) compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Preoperative ibuprofen vs placebo

Postoperative pain (continuous measure: self report using visual analogue scale) · Children and adolescents having orthodontic separator placement (without local anaesthetic)

Preoperative ibuprofen may leads to lower postoperative pain (continuous measure: self report using visual… compared with placebo (low certainty).

1 finding from 1 review

Systemic beta carotene or carotenoids (incl. lycopene) vs placebo or no treatment

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia

Systemic beta carotene or carotenoids (incl. lycopene) may leads to lower improvement of histological features (not improved) compared with placebo or no treatment (low certainty).

1 finding from 1 review

Bowman-Birk inhibitor vs placebo or no treatment

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 6, Histological changes: 'Not measured'. Effects text: data on histological changes from Armstrong 2013 were not available for analysis, but study authors reported no statistically significant differences in…
    1 study
    GRADE not reported

Cholinergics (bethanechol 15 mg/day) vs placebo

Adverse effects (narrative) · 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)
    SoF4. Adverse effects: single study narratively reported 4 participants (20%) in the bethanechol arm experienced adverse events (nausea, dizziness, blood pressure fall, cold perspiration or sporadic abdominal pain);…
    1 study · 40 participants
    Very low

Preoperative ibuprofen vs placebo

Adverse events · Children and adolescents having orthodontic separator placement (without local anaesthetic)
1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Tiredness · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: tiredness (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Nocturnal symptom: habitual snoring (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes nocturnal symptom: habitual snoring (questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)

Improvement in nutritional intake · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people with cancer and…

The review found no eligible studies for this question.

1 finding from 1 review

Anticonvulsants (gabapentin + alpha lipoic acid) vs placebo

Somnolence · 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 + alpha lipoic acid) changes adverse effects: drowsiness compared with placebo (very low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Side effects / tolerability · Children with obstructive sleep apnoea (aged 15 years or younger)
1 finding from 1 review

Physical barriers (tongue protector) 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 physical barriers (tongue protector) changes change in QoL - anxiety (surrogate marker) compared with placebo (very low certainty).

1 finding from 1 review

Perioperative infraorbital nerve block vs Placebo (sham/placebo device)

Heart rate, respiratory rate, and blood pressure · Children up to 13 years of age, undergoing cleft lip repair surgery
1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: sleepiness (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: sleepiness (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review