Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

64 questions · 69 findings · 6 reviews · Orthodontics

No studies found 33 · 47.8%GRADE not reported 28 · 40.6%Very low 6 · 8.7%Low 0 · 0%Moderate 2 · 2.9%High 0 · 0%

Extraction of the primary maxillary canine vs no intervention

Patient satisfaction and pain experience during extraction of the primary canine · Children with palatally displaced maxillary canines (at least 80% aged 10 to 13 years); trials with craniofacial syndromes or anomalies…

The review found no eligible studies for this question.

1 finding from 1 review

Extraction of the primary maxillary canine plus cervical pull headgear vs Extraction of the primary maxillary canine alone

Prevalence of eruption/non-eruption of the palatally displaced permanent canine (successful eruption) · Children with palatally displaced maxillary canines (at least 80% aged 10 to 13 years); trials with craniofacial syndromes or anomalies…
1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Reported incidence or prevalence of root resorption of the impacted canine and/or incisors and/or first premolars · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Incidence of eruption of the PDC into the mouth · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

Double primary (canine and first molar) tooth extraction led to higher incidence of eruption of the PDC into the mouth compared with single primary (canine) tooth extraction; GRADE not reported.

4 findings from 1 review
Show 1 more finding

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Effect of severity of PDC displacement towards the midline on the proportion of successful eruptions · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)
1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Incidence of successfully erupted PDC that were favourably positioned · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

Double primary (canine and first molar) tooth extraction showed no clear difference in incidence of successfully erupted PDC that were favourably positioned compared with single primary (canine) tooth extraction; GRADE not reported.

3 findings from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Any other adverse effects of the interventions, such as gingival disease and demineralisation · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Number of participants referred for surgical exposure of the PDC · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

It is very uncertain whether double primary (canine and first molar) tooth extraction changes number of participants referred for surgical exposure of the PDC compared with single primary (canine) tooth extraction (very low certainty).

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Costs and cost‐effectiveness · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Reported improvement in the position of the ectopic canine measured from radiographs · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Patient‐reported outcome measures (PROMs) · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Time taken for the canine to erupt into the mouth · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Overall treatment time wearing orthodontic appliances · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment without extraction of permanent teeth vs Orthodontic treatment involving extraction of permanent teeth

Dento-occlusal results of treatment, measured with the PAR index · Children (80% aged <= 16 years) with a Class II division 2 malocclusion (deep bite and retroclined upper front teeth)

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment without extraction of permanent teeth vs Orthodontic treatment involving extraction of permanent teeth

Gingival and TMJ symptoms · Children (80% aged <= 16 years) with a Class II division 2 malocclusion (deep bite and retroclined upper front teeth)

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment without extraction of permanent teeth vs Orthodontic treatment involving extraction of permanent teeth

Duration of treatment · Children (80% aged <= 16 years) with a Class II division 2 malocclusion (deep bite and retroclined upper front teeth)

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment without extraction of permanent teeth vs Orthodontic treatment involving extraction of permanent teeth

Cephalometric measurements (ANB change and front teeth inclination changes) · Children (80% aged <= 16 years) with a Class II division 2 malocclusion (deep bite and retroclined upper front teeth)

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment without extraction of permanent teeth vs Orthodontic treatment involving extraction of permanent teeth

Number of visits to complete treatment · Children (80% aged <= 16 years) with a Class II division 2 malocclusion (deep bite and retroclined upper front teeth)

The review found no eligible studies for this question.

1 finding from 1 review