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%

Anticonvulsants (gabapentin + 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
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · gabapentin with adjunctive ALA
    SoF2 subgroup. Gabapentin + adjunctive ALA vs placebo forms one of two subgroups of the anticonvulsant symptom-relief estimate (RR 4.00, 2.09 to 7.67); no between-subgroup difference vs gabapentin alone; 100…
    1 study · 40 participants
    Very low

Fluoride mouthrinse (any fluoride agent, concentration, volume, frequency or technique; swished and expectorated, not swallowed) vs placebo or no treatment

Proportion of children not remaining caries-free · Children and adolescents aged 16 years or less

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy 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

Antidepressants (trazodone 200 mg/day) 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)
    SoF1. Change in QoL short-term (mean Beck Depression Inventory, 0-63, lower better): this single study narratively reported that both intervention and placebo participants were less depressed at trial completion, but…
    1 study · 37 participants
    Very low

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

Clinical resolution (oral lesion not completely resolved) · 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
    5 to 12 months
    SoF 2, Clinical resolution (not completely resolved) at 5 to 12 months: 'The 3 studies could not be combined in meta-analysis. 2 found benefit for systemic beta carotene, and 1 did not.' No GRADE rating. Effects text…
    3 studies
    GRADE not reported

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: nasal stuffiness (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: nasal stuffiness (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

Daytime symptom: school problems (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: school problems (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

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

Adverse events: worsening of hypertension · 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: increase in blood pressure compared with placebo (very low certainty).

1 finding from 1 review

Fluoride mouthrinse (any fluoride agent, concentration, volume, frequency or technique; swished and expectorated, not swallowed) vs placebo or no treatment

Tooth staining/discolouration (adverse effect) · Children and adolescents aged 16 years or less
1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Caries increment on permanent whole teeth (D(M)FT), prevented fraction · Children and adolescents aged 16 years or younger (permanent dentition)
3 findings from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Caries increment on permanent tooth surfaces (D(M)FS), prevented fraction · Children and adolescents aged 16 years or younger (permanent dentition)
3 findings from 1 review

Pilocarpine vs placebo

Xerostomia (dry mouth relief) · Patients with radiation-induced salivary gland dysfunction
1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Unacceptability of treatment (dropouts/exclusions during the trial) · Children and adolescents aged 16 years or less

Fluoride gel (topically applied; operator- or self-applied; any… showed no clear difference in unacceptability of treatment (dropouts/exclusions during the trial) compared with placebo or no treatment; GRADE not reported.

3 findings from 1 review

Chlorhexidine varnish vs placebo or no treatment

Adverse events (e.g. ulcers, tooth staining) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…
1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Mucosal irritation / oral soft tissue allergic reaction (signs of sensitivity) · Children and adolescents aged 16 years or less

The review found no eligible studies for this question.

1 finding from 1 review

Pilocarpine vs placebo

Other oral symptoms (oral discomfort, dysphonia) · Patients with radiation-induced salivary gland dysfunction
1 finding from 1 review

Root canal medications and canal filling, splinting, extraction of teeth, or surgical removal of any relevant pathology vs Each other, placebo, or no treatment

Outcome not reported · Patients with single and multiple permanent teeth with evidence of any type of external root resorption irrespective of its aetiology,…

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for the management of external root resorption 2015 · Cochrane All outcomes
    Any follow-up period
    None of the studies fulfilled our inclusion criteria and therefore no data analysis was conducted. (Main results: no RCTs that met the inclusion criteria were identified; one ongoing study, NCT00423956, potentially…
    0 studies
    No studies found

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Proportion of children not remaining caries-free · Children with primary (deciduous) teeth (younger children)

Fluoride gel (topically applied; operator- or self-applied; any… showed no clear difference in proportion of children not remaining caries-free compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review