Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,413 questions · 2,602 findings · 93 reviews · All outcomes

No studies found 452 · 17.4%GRADE not reported 1,582 · 60.8%Very low 392 · 15.1%Low 122 · 4.7%Moderate 53 · 2%High 1 · 0%

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

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Oral health-related quality of life · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

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

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Plaque · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Educational intervention with information and practical components… showed no clear difference in dental plaque compared with (Optimised) usual care (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

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell wall preparation) plus standard therapy vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Adverse effects · People with squamous cell carcinoma of the oral cavity or oropharynx

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell… showed no clear difference in adverse effects compared with standard therapy alone; GRADE not reported.

9 findings from 1 review
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Tyrosine kinase inhibitor (erlotinib, gefitinib or lapatinib) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Adverse effects · People with squamous cell carcinoma of the oral cavity or oropharynx

Tyrosine kinase inhibitor (erlotinib, gefitinib or lapatinib) plus… led to higher adverse effects compared with standard therapy alone (radiotherapy or chemoradiotherapy); GRADE not reported.

9 findings from 1 review
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Orthodontic appliances (palatal crib) vs no treatment

Occlusion (change in maxillary arch length, short term) · Children with a non-nutritive sucking habit (digit or pacifier)
1 finding from 1 review

EGFR monoclonal antibody (cetuximab or nimotuzumab) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Adverse effects · People with squamous cell carcinoma of the oral cavity or oropharynx
10 findings from 1 review
Show 7 more findings

Orthodontic appliances (palatal crib) vs no treatment

Adverse events · Children with a non-nutritive sucking habit (digit or pacifier)
1 finding from 1 review

Orthodontic appliances (palatal crib) vs no treatment

Sucking cessation (long term) · Children with a non-nutritive sucking habit (digit or pacifier)

Orthodontic appliances (palatal crib) led to higher sucking cessation (long term) compared with no treatment; GRADE not reported.

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Oral mucositis (severe) · All patients with cancer who are receiving treatment

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed… probably leads to lower oral mucositis (severe) compared with control (no treatment or standard/usual oral care, e.g. saline rinse) (moderate certainty).

3 findings from 1 review

Repositioning of ankylosed teeth after osteotomy followed or not by distraction osteogenesis, or after luxation vs Conventional orthodontic treatment or follow-up with no specific treatment for ankylosis

Outcome not reported · Any patient with ankylosis and displacement of permanent front teeth diagnosed by clinical and radiographic assessment, with or without…

The review found no eligible studies for this question.

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs High-dose leucovorin rinse

Oral mucositis (severe) · Patients with osteosarcoma (bone cancer) receiving high-dose methotrexate, vincristine and leucovorin
1 finding from 1 review

Palatal arch vs Palatal crib (alternative orthodontic appliance)

Sucking cessation (short term) · Children with a non-nutritive sucking habit (digit or pacifier)

It is very uncertain whether palatal arch changes sucking cessation (short term) compared with palatal crib (alternative orthodontic appliance) (very low certainty).

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Number of days of treatment with opioid analgesics · All patients with cancer who are receiving treatment

The review found no eligible studies for this question.

2 findings from 1 review

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell wall preparation) plus standard therapy vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Disease-free survival · People with squamous cell carcinoma of the oral cavity or oropharynx

It is very uncertain whether non-specific immunotherapy (recombinant interleukin-2 or BCG cell… changes disease-free survival compared with standard therapy alone (very low certainty).

1 finding from 1 review