Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,534 questions · 5,247 findings · 456 reviews

No studies found 1,142 · 21.8%GRADE not reported 1,503 · 28.6%Very low 1,040 · 19.8%Low 869 · 16.6%Moderate 554 · 10.6%High 139 · 2.6%

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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

Combined index tests (e.g. vital staining plus light-based detection or cytology) vs Surgical or punch biopsy with histological assessment

Specificity · Adults (aged 16 years or over) presenting to primary or secondary care with clinically evident suspicious or innocuous oral lesions
1 finding from 1 review

Vibrational appliance with fixed appliances vs Fixed appliances

Time to alignment · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Vibrational appliance with fixed appliances showed no clear difference in time to alignment (days) compared with fixed appliances only / no vibrational appliance (control); GRADE not reported.

1 finding from 1 review

ARP with demineralised bone matrix, single particle size vs ARP with demineralised bone matrix, multiple particle size

Implant failure rate · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

Haas expander anchored on deciduous second molars vs Haas expander anchored on permanent first molars

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

Hyrax with conventional expansion screw vs Hyrax with NiTi memory expansion screw

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
    after 6-month retention period
    Halicioglu 2014: conventional Hyrax 8.41 (SD 2.09) mm vs NiTi Hyrax 8.94 (SD 1.73) mm; no statistically significant differences for any outcome
    1 study
    GRADE not reported

Patching vs active observation

Motor alignment at distance fixation Measured using PACT at 6 months · people with intermittent exotropia, aged less than 11 years

Patching showed no clear difference in motor alignment at distance fixation Measured using PACT at 6 months compared with active observation (high certainty).

1 finding from 1 review

Patching vs active observation

Minor adverse events Defined as any adverse event within 8 weeks of surgery that does not require further intervention · people with intermittent exotropia, aged less than 11 years

The review found no eligible studies for this question.

1 finding from 1 review

Lateral rectus recession and medial rectus plication vs lateral rectus recession and medial rectus resection

Motor alignment at distance fixation Measured using the PACT at 1 year · people with intermittent exotropia, aged over 6 years

Lateral rectus recession and medial rectus plication showed no clear difference in motor alignment at distance fixation Measured using the PACT at 1 year compared with lateral rectus recession and medial rectus resection (low certainty).

1 finding from 1 review

Lateral rectus recession and medial rectus plication vs lateral rectus recession and medial rectus resection

Motor fusion test · people with intermittent exotropia, aged over 6 years

It is very uncertain whether lateral rectus recession and medial rectus plication changes motor fusion test Measured using the synoptophore and Titmus fly… compared with lateral rectus recession and medial rectus resection (very low certainty).

1 finding from 1 review