Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

195 questions · 226 findings · 16 reviews · Oral medicine and oral cancer

No studies found 18 · 8%GRADE not reported 143 · 63.3%Very low 45 · 19.9%Low 14 · 6.2%Moderate 6 · 2.7%High 0 · 0%

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Time to resolution of first ulcer (days) · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… led to lower time to resolution of first ulcer (days) compared with montelukast (leukotriene receptor antagonist); GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Total number of new lesions over 2-month treatment period · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… led to lower total number of new lesions over 2-month treatment period compared with placebo; GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Days to resolution of pain / epithelialization; number of aphthae per month · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review
  • Femiano 2003 (high risk of bias) reports days to resolution of pain and days to epithelialization of aphthae at 1 month, and number of aphthae per month after the first and second months; data presented as…
    1 study · 20 participants
    GRADE not reported

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Adverse effects · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Total number of new lesions over 2-month treatment period · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… showed no clear difference in total number of new lesions over 2-month treatment period compared with montelukast (leukotriene receptor antagonist); GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Adverse effects · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
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

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

Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4 (Herbal extracts vs placebo), Cancer development: SoF cell 'Not measured'. Effects text: cancer development was among the outcomes in Tsao 2009 (green tea extract) but it was not possible to analyse the data…
    1 study
    GRADE not reported

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

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4, Histological changes (not improved) at 3 months: '2 studies (green tea extract capsules and freeze-dried raspberry gel) did not find evidence of benefit.' No GRADE. Effects text: Mallery raspberry RR 0.97…
    2 studies
    GRADE not reported

Chlorine dioxide mouthrinse (with tongue scraping) vs Chlorhexidine mouthwash (with tongue scraping)

VSC: third component · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Chlorine dioxide mouthrinse (with tongue scraping) showed no clear difference in VSC: third component compared with chlorhexidine mouthwash (with tongue scraping); GRADE not reported.

1 finding from 1 review

Anticonvulsants (gabapentin 300 mg/day) vs placebo

Adverse effects: drowsiness (gabapentin alone) · 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 300 mg/day) changes adverse effects: drowsiness (gabapentin alone) compared with placebo (very low certainty).

1 finding from 1 review

Intralesional steroid injection plus adjunctive treatment vs steroid injection

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Intralesional steroid injection plus adjunctive treatment showed no clear difference in maximal mouth opening (interincisal distance) compared with intralesional steroid injection alone (low certainty).

2 findings from 1 review

Buccal fat pad pedicle plus placental extract vs Buccal fat pad pedicle alone

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

It is very uncertain whether buccal fat pad pedicle plus placental extract changes maximal mouth opening (interincisal distance) compared with buccal fat pad pedicle alone (very low certainty).

1 finding from 1 review

Surgery vs Radiotherapy alone

Adverse events associated with treatment · Adults with oropharyngeal cancer
1 finding from 1 review