Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews

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No studies found 2 · 28.6%GRADE not reported 1 · 14.3%Very low 0 · 0%Low 4 · 57.1%Moderate 0 · 0%High 0 · 0%

Bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Molar expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Bone-borne expansion showed no clear difference in molar expansion (inter-molar distance) compared with fixed tooth-borne expansion (Hyrax) (low certainty).

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Children and adolescents
MD -0.14 [-0.85, 0.57]
2 studies · 81 participants
Low

Bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Canine expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Not measured (SoF 7)
0 studies
No studies found

Fixed tooth-bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Molar expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Fixed tooth-bone-borne expansion showed no clear difference in molar expansion (inter-molar distance) compared with fixed tooth-borne expansion (Hyrax) (low certainty).

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Children
MD 0.66 [-0.04, 1.36]
2 studies · 65 participants
Low

Fixed tooth-bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Canine expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

The review found no eligible studies for this question.

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Not measured (SoF 6)
0 studies
No studies found

Bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Bone-borne expansion showed no clear difference in crossbite correction compared with fixed tooth-borne expansion (Hyrax) (low certainty).

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Adolescents
RR 1.00 [0.94, 1.07]
2 studies · 81 participants
Low

Fixed tooth-bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Fixed tooth-bone-borne expansion showed no clear difference in crossbite correction compared with fixed tooth-borne expansion (Hyrax) (low certainty).

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Children
RR 1.02 [0.92, 1.12]
3 studies · 120 participants
Low

Bone-borne expansion vs observation

Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

1 finding from 1 review

Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
Adolescents
Alberta 2010: bone-borne expansion corrected all posterior crossbites (21/21); no self-correction in the untreated group
1 study
GRADE not reported