Findings

What do systematic reviews say?

3 questions · 4 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 3 · 75%Very low 0 · 0%Low 1 · 25%Moderate 0 · 0%High 0 · 0%

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

Incidence of incisal trauma · 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 incidence of incisal trauma 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)
OR 0.78 [0.42, 1.47]
2 studies · 226 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)
OR 1.02 [0.48, 2.17]
2 studies · 282 participants
GRADE not reported

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

Incidence of incisal trauma · 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 incidence of incisal trauma compared with late treatment (one-phase in adolescence) with headgear; GRADE not reported.

1 finding 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)
OR 0.76 [0.37, 1.54]
2 studies · 285 participants
GRADE not reported

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

Incidence of new incisal trauma · 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 may leads to lower incidence of new incisal trauma compared with late treatment (one-phase in adolescence) with headgear (low certainty).

1 finding 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)
OR 0.45 [0.25, 0.8]
2 studies · 237 participants
Low