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Evidence found and GRADE certainty

7 questions · 7 findings · 1 reviews · Orthodontics

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No studies found 0 · 0%GRADE not reported 2 · 28.6%Very low 5 · 71.4%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Active self-ligating brackets vs Passive self-ligating brackets

Amount of crowding (upper anterior crowding) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
1 finding from 1 review
  • Orthodontic treatment for crowded teeth in children 2021 · Cochrane All outcomes
    baseline
    Only baseline upper anterior crowding reported (Pandis 2010a, n=70); evidence of baseline imbalance between groups (P=0.04); no post-treatment between-group crowding estimate reported.
    1 study
    GRADE not reported

Schwarz appliance vs No active treatment (control)

Amount of crowding (change in mandibular crowding) at 8 weeks · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether schwarz appliance changes amount of crowding (lower arch crowding, change) at 9 months compared with no active treatment (control) (very low certainty).

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 third molars (wisdom teeth) 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 third molars (wisdom teeth) changes amount of crowding (Little's Irregularity Index, change) at 5 years compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Lower lip bumper 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 lower lip bumper changes amount of crowding (change in mandibular incisor crowding) at 6 months compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Eruption guidance appliance vs No active treatment (control)

Amount of crowding (number of children with crowding, mandible) after 1 year · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether eruption guidance appliance changes amount of crowding (number of children with crowding, mandible)… compared with no active treatment (control) (very low certainty).

1 finding from 1 review