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 hydrocortisone plus hyaluronidase (intralesional) changes maximal mouth opening (interincisal distance) compared with placebo or no active treatment (very low certainty).
1 finding from 1 review
Muscle pain at rest · People with temporomandibular disorders (TMD)
It is very uncertain whether occlusal splint changes muscle pain at rest compared with no treatment or placebo (non-occlusal or transparent-foil placebo… (very low certainty).
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Chlorhexidine mouthwash reduced Mutans streptococci versus placebo, but certainty is very low.
1 finding from 1 review
Plaque · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Herbal mouthwash reduced some plaque-related indices versus placebo, with low-certainty evidence.
1 finding from 1 review
Probing pocket depth (PPD/PD) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Chlorhexidine mouthwash may reduce pocket probing depth versus placebo in the short term (low certainty).
1 finding from 1 review
Costs · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
The review found no eligible studies for this question.
1 finding from 1 review
Change in angulation of teeth adjacent to the space (molar and canine tipping/rotation) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review
Discomfort/pain · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in patient perception of pain and discomfort (VAS 0 to 100 mm),… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…
Self-assembling peptide P11-4 significantly improved remineralization versus control (SMD -0.56, 95% CI -0.96 to -0.15); certainty of evidence not assessed (no GRADE).
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Herbal mouthwash reduced Mutans streptococci versus placebo, but certainty is very low.
1 finding from 1 review
Reduction in frequency and severity of drooling · Adults with Parkinson's disease and sialorrhea (drooling)
Type A botulinum toxin significantly reduced DSFS scores versus placebo (SMD -0.80, 95% CI -1.25 to -0.36; ungraded subgroup).
3 findings from 1 review
Harms (orthodontically-induced inflammatory root resorption) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in harms and side effects: orthodontically-induced inflammatory root… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…
Resin infiltration significantly improved remineralization versus control (SMD -0.94, 95% CI -1.46 to -0.43), ranking second of seven therapies by SUCRA (88.7%); certainty of evidence not assessed (no GRADE).
1 finding from 1 review
Prevalence of white spot lesions (WSL) at debonding, subject level · Healthy adolescents and adults undergoing orthodontic treatment with fixed multi-bracket appliances
Fluoride varnish applied regularly during fixed orthodontic treatment may reduce the prevalence of white spot lesions at debonding (pooled RR 0.64, 95% CI 0.42 to 0.98), but the certainty of evidence is very low.
1 finding from 1 review
Adverse events (participants with >=1 adverse event) · Adults with Parkinson's disease and sialorrhea (drooling)
Type A botulinum toxin showed a borderline, non-significant increase in adverse events versus placebo (RD 0.10, 95% CI 0.00 to 0.21; ungraded subgroup).
3 findings from 1 review
Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…
Combined self-assembling peptide P11-4 plus fluoride varnish significantly improved white spot lesion remineralization versus control (SMD -0.96, 95% CI -1.44 to -0.48) and ranked highest of seven therapies by SUCRA (89.7%); certainty of evidence not assessed (no GRADE).
1 finding from 1 review
Harms: serious adverse effects · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review
Rate of orthodontic tooth movement (OTM) during space closure stage (en masse, mm/month) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in rate of orthodontic tooth movement (OTM) during space closure stage… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Improvement in occlusion (Peer Assessment Rating (PAR) or other validated scale) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review
Woodhouse 2015 (81 participants, 22 dropouts): PAR reduction intervention median 28.0 (IQR 21.0-38.0), control median 29.0 (IQR 24.0-31.0), placebo median 27.0 (IQR 20.0-35.0); percentage improvement medians 88.9 /…
1 study · 59 participants
GRADE not reported
Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in patient-reported need for analgesics during first week of initial… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review