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Evidence found and GRADE certainty

5 questions · 5 findings · 1 reviews · Oral Health

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No studies found 0 · 0%GRADE not reported 1 · 20%Very low 0 · 0%Low 1 · 20%Moderate 2 · 40%High 1 · 20%

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

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-borne expansion (quad-helix) leads to higher molar expansion (inter-molar distance) compared with removable tooth-borne expansion (expansion plate) (high certainty).

1 finding from 1 review

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

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

Fixed tooth-borne expansion (quad-helix) may leads to higher canine expansion (inter-canine distance) compared with removable tooth-borne expansion (expansion plate) (low certainty).

1 finding from 1 review

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

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

Fixed tooth-borne expansion (quad-helix) probably leads to lower length of treatment compared with removable tooth-borne expansion (expansion plate) (moderate certainty).

1 finding from 1 review

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

Stability of crossbite correction (relapse of molar expansion) · 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
    12 months after correction
    Relapse occurred in 9.1% of both quad-helix and expansion plate groups after one year of follow-up (Godoy 2011)
    1 study · 66 participants
    GRADE not reported

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

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-borne expansion (quad-helix) probably leads to higher crossbite correction compared with removable tooth-borne expansion (expansion plate) (moderate certainty).

1 finding from 1 review