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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews · Orthodontics

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No studies found 0 · 0%GRADE not reported 2 · 66.7%Very low 1 · 33.3%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Extraction of lower deciduous canines vs No active treatment (control)

Lower incisor inclination (lingual tipping and retrusion) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines showed no clear difference in lower incisors to mandible (inclination, degrees) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Amount of crowding · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether extraction of lower deciduous canines changes amount of crowding (lower incisor crowding, change) at 1-2 years compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Size of the lower jaw (arch length, change) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines led to lower size of the lower jaw (arch length, change) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review