What do systematic reviews say?

8 questions · 13 findings · 1 reviews · Orthodontics · related questions CL0289

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No studies found 4 · 30.8%GRADE not reported 7 · 53.8%Very low 2 · 15.4%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
The studies did not report adverse events.
0 studies
No studies found

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
48 months (maximum; mITT)
RR 1.28 [1.06, 1.54]
2 studies · 96 participants
GRADE not reported
Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
18 months (mean; mITT)
RR 0.68 [0.35, 1.31]
3 studies · 119 participants
Very low
Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
24 months
RR 0.61 [0.29, 1.25]
1 study · 23 participants
GRADE not reported

Show 1 more finding

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
12 months
RR 0.27 [0.04, 2.08]
1 study · 23 participants
GRADE not reported

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
12 to 48 months · By baseline sector (severity of displacement)
Tables 11-15 (Hadler-Olsen 2020; Bonetti 2010; Bonetti 2011): partial relationship between severity of medial displacement and successful eruption; e.g. at 18 months 17/75 (23%) sector 2 erupted vs 1/17 (6%) sector 3,…
3 studies
GRADE not reported

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
24 months
RR 1.64 [0.33, 8.03]
1 study · 23 participants
GRADE not reported
Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
12 months
RR 1.09 [0.08, 15.42]
1 study · 23 participants
GRADE not reported
Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
18 months
RR 1.64 [0.33, 8.03]
1 study · 23 participants
GRADE not reported

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
48 months (maximum; mITT)
RR 0.31 [0.06, 1.45]
2 studies · 96 participants
Very low

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
no estimate extracted
0 studies
No studies found

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
no estimate extracted
0 studies
No studies found

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

Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
no estimate extracted
0 studies
No studies found