Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

762 questions · 830 findings · 43 reviews · Orthodontics

No studies found 186 · 22.4%GRADE not reported 410 · 49.4%Very low 122 · 14.7%Low 79 · 9.5%Moderate 30 · 3.6%High 3 · 0.4%

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Stability of anterior open bite correction (1 year after treatment) · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Early loading of mini-screw implant vs Delayed loading of mini-screw implant

Success of the anchorage device · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage

Early loading of mini-screw implant showed no clear difference in success of the anchorage device compared with delayed loading of mini-screw implant; GRADE not reported.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Reduction or treatment of obstructive sleep apnoea syndrome (OSAS) or upper airway resistance syndrome (UARS) · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Removable appliance with palatal crib associated with high-pull chincup vs no treatment

Mandibular ramus growth · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…
1 finding from 1 review
  • Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes
    End of treatment (12 months)
    Cephalometric data (SNA, Co-A, SNB, Ar-Go, Ar.GoMe, Co-Gn, ANB) were reported to be not significantly different between groups; effects were dento-alveolar rather than skeletal. No pooled estimate (Almeida 2005).
    1 study
    GRADE not reported

Dual mini-screw implant vs Single mini-screw implant

Residual overjet at the end of treatment · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage

The review found no eligible studies for this question.

1 finding from 1 review

Surgical anchorage (mini-screw or mid-palatal implant) vs Conventional anchorage (headgear, transpalatal/palatal arch, etc.)

Acceptability · Patients of any age undergoing orthodontic treatment with fixed appliances and requiring anchorage (adolescents to adults up to 48-54 years)
1 finding from 1 review

Surgical anchorage (mini-screw or mid-palatal implant) vs Conventional anchorage (headgear, transpalatal/palatal arch, etc.)

Adverse events · Patients of any age undergoing orthodontic treatment with fixed appliances and requiring anchorage (adolescents to adults up to 48-54 years)

The review found no eligible studies for this question.

1 finding from 1 review

Removable appliance with palatal crib associated with high-pull chincup vs no treatment

Alteration of hyperdivergent growth pattern · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…
1 finding from 1 review
  • Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes
    End of treatment (12 months)
    The angles (SN.GoGN, SN.PP, NS.Gn) and linear measures (AFA, AFP, AFAI) did not demonstrate significant alterations between groups; interventions did not produce significant changes in the skeletal maxillary or…
    1 study
    GRADE not reported

Surgical anchorage (mini-screw or mid-palatal implant) vs Conventional anchorage (headgear, transpalatal/palatal arch, etc.)

Mesiodistal movement of the upper first permanent molar · Patients of any age undergoing orthodontic treatment with fixed appliances and requiring anchorage (adolescents to adults up to 48-54 years)

Surgical anchorage (mini-screw or mid-palatal implant) probably leads to lower mesiodistal movement of the upper first permanent molar compared with conventional anchorage (headgear, transpalatal/palatal arch, etc.) (moderate certainty).

1 finding from 1 review

Surgical anchorage (mini-screw or mid-palatal implant) vs Conventional anchorage (headgear, transpalatal/palatal arch, etc.)

Success or failure of the anchorage device · Patients of any age undergoing orthodontic treatment with fixed appliances and requiring anchorage (adolescents to adults up to 48-54 years)
1 finding from 1 review

Removable appliance with palatal crib associated with high-pull chincup vs no treatment

Expansion of the upper and lower jaw · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…
1 finding from 1 review
  • Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes
    End of treatment (12 months)
    Listed among the outcome measures evaluated by Almeida 2005. No separate width/expansion estimate is reported in the text; the review concluded the interventions produced no significant change in the skeletal maxillary…
    1 study
    GRADE not reported

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Patient satisfaction · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Dual mini-screw implant vs Single mini-screw implant

Success of the anchorage device · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage

Dual mini-screw implant showed no clear difference in success of the anchorage device compared with single mini-screw implant; GRADE not reported.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Failure to correct the anterior open bite (open bite not closed) · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

Frankel's function regulator-4 (FR-4) with lip-seal training led to lower failure to correct the anterior open bite (open bite not closed) compared with no treatment; GRADE not reported.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Signs and symptoms of atypical swallowing and speech production disturbances · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Dual mini-screw implant vs Single mini-screw implant

Duration of space closure · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage

Dual mini-screw implant showed no clear difference in duration of space closure compared with single mini-screw implant; GRADE not reported.

1 finding from 1 review

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

Signs and symptoms of respiratory disease · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of vertical overlap or…

The review found no eligible studies for this question.

1 finding from 1 review

Surgical anchorage (mini-screw or mid-palatal implant) vs Conventional anchorage (headgear, transpalatal/palatal arch, etc.)

Residual overjet at the end of treatment · Patients of any age undergoing orthodontic treatment with fixed appliances and requiring anchorage (adolescents to adults up to 48-54 years)

The review found no eligible studies for this question.

1 finding from 1 review