Final overjet · Adolescents (age 12 to 16 years) receiving orthodontic treatment to correct prominent upper front teeth (Class II malocclusion)
Twin Block functional appliance (conventional) showed no clear difference in final overjet compared with modified Twin Block appliances; GRADE not reported.
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
Improvement in occlusion (Peer Assessment Rating (PAR) or other validated scale) · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…
The review found no eligible studies for this question.
1 finding from 1 review
Occlusion · Children aged 12 years or younger with tooth decay involving at least one tooth in the primary dentition, symptomatic or symptom free
Aesthetic (resin-veneered) crowns led to lower occlusion at 6 months compared with conventional metal (stainless steel) crowns; GRADE not reported.
1 finding from 1 review
Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Hybrid Hyrax (RME) with miniscrews and Class III elastics showed no clear difference in overjet compared with conventional Hyrax (RME) with miniscrews and Class III elastics; GRADE not reported.
1 finding from 1 review
ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Nanda facemask led to higher ANB compared with conventional facemask; GRADE not reported.
1 finding from 1 review
Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Hybrid Hyrax (RME) with miniscrews and Class III elastics showed no clear difference in wits appraisal compared with conventional Hyrax (RME) with miniscrews and Class III elastics; GRADE not reported.
1 finding from 1 review
ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Hybrid Hyrax (RME) with miniscrews and Class III elastics showed no clear difference in ANB compared with conventional Hyrax (RME) with miniscrews and Class III elastics; GRADE not reported.
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
Discomfort/pain · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether light-emitting diode (LED) photobiomodulation changes patient perception of pain and discomfort (VAS 0 to 100 mm) compared with conventional orthodontic appliance treatment (very low certainty).
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
Rate of orthodontic tooth movement during space closure stage (maxillary arch), mm/month · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes rate of orthodontic tooth movement during space closure stage… compared with conventional orthodontic appliance treatment (very low certainty).
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
Side effects or other adverse events · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Periodontal health during molar intrusion · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Abellan 2021 assessed periodontal health (plaque index, pocket depth, bleeding on probing) after intrusion of maxillary molars; no evidence of significant difference with LLLT. Statistical test results not published.
1 study
GRADE not reported
Total number of orthodontic appliance adjustment appointments during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes total number of orthodontic appliance adjustment appointments during… compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
Discomfort/pain · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes patient perception of pain and discomfort (VAS 0 to 100 mm) compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
Duration of orthodontic treatment during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes duration of orthodontic treatment during alignment stage compared with conventional orthodontic appliance treatment (very low certainty).
1 finding 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
Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review