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Evidence found and GRADE certainty

475 questions · 515 findings · 29 reviews · Orthodontics · related questions CL0289

No studies found 117 · 22.7%GRADE not reported 252 · 48.9%Very low 64 · 12.4%Low 58 · 11.3%Moderate 21 · 4.1%High 3 · 0.6%

Thermoelastic copper NiTi (CuNiTi) arch wire vs Conventional (stabilised) NiTi arch wire

Time to next/working arch wire · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)

Thermoelastic copper NiTi (CuNiTi) arch wire showed no clear difference in time to next/working arch wire compared with conventional NiTi arch wire; GRADE not reported.

1 finding from 1 review

Facemask (RME) or modified facemask vs Other non-surgical orthodontic treatments (mini maxillary protractor, Pushing Splints, modified tandem, Reverse Forsus, reverse Twin Block, reverse chin cup, tongue appliance, Frankel III)

Perceived need for surgery in adulthood · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

The review found no eligible studies for this question.

1 finding from 1 review

Bone-anchored intermaxillary traction (BAIMT) vs Removable mandibular retractor (RMR)

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Bone-anchored intermaxillary traction (BAIMT) led to higher overjet compared with removable mandibular retractor (RMR); GRADE not reported.

1 finding from 1 review

Orthodontic removable traction appliance (ORTA) vs no intervention

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Orthodontic removable traction appliance (ORTA) led to higher wits appraisal compared with untreated control (no treatment); GRADE not reported.

1 finding from 1 review

Facemask (with frame internal fixation) vs Frankel III functional appliance

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask (with frame internal fixation) showed no clear difference in wits appraisal compared with frankel III functional appliance; GRADE not reported.

1 finding from 1 review

Mandibular headgear vs no intervention

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
1 finding from 1 review

Reverse Twin Block with lip pads and rapid maxillary expander (RME) vs no intervention

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Reverse Twin Block with lip pads and rapid maxillary expander (RME) led to higher ANB compared with untreated control (no treatment); GRADE not reported.

1 finding from 1 review

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs no treatment

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… probably leads to higher overjet compared with no treatment (moderate certainty).

1 finding from 1 review

Surgically-anchored orthodontic treatment (miniplates) vs no intervention

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Surgically-anchored orthodontic treatment (miniplates) may leads to higher overjet compared with untreated control (no treatment) (low certainty).

1 finding from 1 review

Facemask vs no intervention

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask led to higher overjet compared with untreated control (no treatment); GRADE not reported.

3 findings from 1 review

Facemask with rapid maxillary expansion (RME) vs Facemask only

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in wits appraisal compared with facemask only; GRADE not reported.

1 finding from 1 review

Single-strand superelastic NiTi arch wire vs Coaxial superelastic NiTi arch wire

Alignment rate · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)

Single-strand superelastic NiTi arch wire probably leads to lower alignment rate compared with coaxial superelastic NiTi arch wire (moderate certainty).

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Reverse chin cup

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in ANB compared with reverse chin cup; GRADE not reported.

1 finding from 1 review

Tandem traction bow appliance vs no intervention

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Tandem traction bow appliance led to higher ANB compared with untreated control (no treatment); GRADE not reported.

1 finding from 1 review

Facemask vs no intervention

Self-esteem (Piers-Harris self-concept scale) · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask showed no clear difference in self-esteem (Piers-Harris self-concept scale) compared with untreated control (no treatment); GRADE not reported.

3 findings from 1 review

Facemask with rapid maxillary expansion (RME) vs Facemask with alternating rapid maxillary expansion and constriction (Alt-RAMEC)

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in ANB compared with facemask with alternating rapid maxillary expansion and constriction… (low certainty).

1 finding from 1 review

Chin cup (600 g force) vs Chin cup (300 g force)

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Chin cup (600 g force) showed no clear difference in wits appraisal compared with chin cup (300 g force); GRADE not reported.

1 finding from 1 review