Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Dental caries: dmfs increment (primary teeth) · Children and adolescents aged 16 years or less
The review found no eligible studies for this question.
1 finding from 1 review
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic… probably leads to lower improvement of histological features (not improved) compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 2, Safety of the intervention at 5 to 12 months: 'Systemic beta carotene did not cause any adverse effects in 1 study supplementing 10 mg/d (Nagao), and caused adverse effects of varying severity in 9% of…
3 studies
GRADE not reported
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
Bowman-Birk inhibitor showed no clear difference in clinical resolution (oral lesion not completely resolved) compared with placebo or no treatment (low certainty).
1 finding from 1 review
Proportion developing new caries · Children and adolescents aged 16 years or less
Fluoride mouthrinse (any fluoride agent, concentration, volume,… showed no clear difference in proportion of children developing one or more new caries compared with placebo or no treatment; GRADE not reported.
1 finding from 1 review
Mucosal irritation / oral soft tissue allergic reaction (signs of sensitivity) · Children and adolescents aged 16 years or less
1 finding from 1 review
One trial (Rugg-Gunn 1973) reported incompletely on oral soft tissue irritation/signs of sensitivity (allergic reaction): "no cases of mucosal hypersensitivity after periodical examinations of every subject". 434…
1 study · 434 participants
Very low
Signs of acute toxicity during gel application (nausea, gagging, vomiting) · Children and adolescents aged 16 years or less
The review found no eligible studies for this question.
1 finding from 1 review
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 3 (NSAIDs vs placebo), Cancer development: SoF cell 'Not measured'. Effects text: cancer development was among outcomes in Papadimitrakopoulou 2008 (celecoxib) but did not occur in either arm, probably because of…
1 study
GRADE not reported
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
The review found no eligible studies for this question.
1 finding from 1 review
Unacceptability of treatment (drop-outs / leaving study early) · Children and adolescents aged 16 years or less
It is very uncertain whether fluoride mouthrinse (any fluoride agent, concentration, volume,… changes unacceptability of treatment as measured by leaving study early… compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Surgical removal of the lesion (surgical excision, laser surgery, cryotherapy) 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
'We did not identify any RCTs that compared surgical treatments with placebo or no treatment.' Three surgical RCTs were found (Chee 2013, Lopez-Jornet 2013, Schwarz 2005) but all excluded because they did not include a…
Studies not reported
No studies found
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
It is very uncertain whether topical bleomycin changes improvement of histological features (not improved) compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
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
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
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
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
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
Tooth staining/discolouration (adverse effect) · Children and adolescents aged 16 years or less
1 finding from 1 review