Findings

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Evidence found and GRADE certainty

4,411 questions · 5,986 findings · 226 reviews · Oral Health

No studies found 1,305 · 21.8%GRADE not reported 2,988 · 49.9%Very low 1,030 · 17.2%Low 476 · 8%Moderate 156 · 2.6%High 31 · 0.5%

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Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: oral breathing (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: oral breathing (questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Mineral trioxide aggregate (MTA) root-end filling vs Gutta-percha smoothing (orthograde GP root filling)

Healing - 1 year · People requiring retreatment of periapical lesions (failed root canal therapy)

Mineral trioxide aggregate (MTA) root-end filling may leads to higher healing - 1 year compared with gutta-percha smoothing (orthograde GP root filling) (low certainty).

1 finding from 1 review

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

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

Patient satisfaction · 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

Zinc silicophosphate cement vs Any other orthodontic band adhesive

Outcome not reported · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…

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

Improvement on sagittal relationship between the maxilla and mandible (cephalometric data) · Children with obstructive sleep apnoea (aged 15 years or younger)

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

Root-end resection (with or without root-end filling; surgical retreatment) vs Non-surgical re-treatment (orthograde root canal therapy)

Healing - 1 year · People with one or more endodontically treated teeth and a periapical condition requiring retreatment

It is very uncertain whether root-end resection (with or without root-end filling; surgical… changes healing - 1 year compared with root canal retreatment (non-surgical/orthograde) (very low certainty).

1 finding from 1 review

Adhesively bonded amalgam restorations in conventional preparations utilising deliberate retention (all bonding agents) vs Amalgam restoration

Secondary caries · Adults and adolescents with permanent posterior molar and premolar teeth suitable for Class I and II, but excluding Class V, amalgam…

The review found no eligible studies for this question.

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

Experimental chewing adjuncts (bite wafers or chewing gum) vs No chewing gum, placebo, or control (no adjunct)

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