Findings

What do systematic reviews say?

3 questions · 6 findings · 1 reviews · Orthodontics

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No studies found 0 · 0%GRADE not reported 4 · 66.7%Very low 0 · 0%Low 1 · 16.7%Moderate 1 · 16.7%High 0 · 0%

Early treatment (two-phase) with headgear vs Early treatment (two-phase) with functional appliance

Final ANB · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear showed no clear difference in final ANB compared with early treatment (two-phase) with functional appliance; GRADE not reported.

2 findings from 1 review

Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of orthodontic treatment (phase II)
MD -0.17 [-0.67, 0.34]
2 studies · 222 participants
GRADE not reported
Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of phase I (growth modification phase)
MD -0.04 [-0.49, 0.41]
2 studies · 271 participants
GRADE not reported

Early treatment (two-phase) with headgear vs Late treatment (one-phase in adolescence) with headgear

Final ANB · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear led to lower final ANB compared with late treatment (one-phase in adolescence) with headgear; GRADE not reported.

2 findings from 1 review

Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of phase I (growth modification phase)
MD -0.72 [-1.18, -0.27]
2 studies · 277 participants
GRADE not reported
Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of orthodontic treatment (phase II)
MD -0.27 [-0.8, 0.26]
2 studies · 231 participants
Low

Early treatment (two-phase: phase 1 in childhood, phase 2 in adolescence) with functional appliance vs Late treatment (one-phase in adolescence) with functional appliance

Final ANB · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase: phase 1 in childhood, phase 2 in… led to lower final ANB compared with late treatment (one-phase in adolescence) with functional appliance; GRADE not reported.

2 findings from 1 review

Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of phase I (growth modification phase)
MD -0.89 [-1.38, -0.4]
3 studies · 419 participants
GRADE not reported
Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes
End of orthodontic treatment (phase II)
MD -0.02 [-0.47, 0.43]
3 studies · 347 participants
Moderate