Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

143 questions · 151 findings · 17 reviews

No studies found 21 · 13.9%GRADE not reported 39 · 25.8%Very low 34 · 22.5%Low 45 · 29.8%Moderate 12 · 7.9%High 0 · 0%

Facemask with rapid maxillary expansion (RME) vs Mini maxillary protractor

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in overjet compared with mini maxillary protractor; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Tongue appliance

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in ANB compared with tongue appliance; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Modified tandem appliance

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in ANB compared with modified tandem appliance; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Pushing Splints

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in wits appraisal compared with pushing Splints; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Pushing Splints

Adverse effects · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Pushing Splints

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in overjet compared with pushing Splints; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Pushing Splints

ANB (ANPog) · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to higher ANB (ANPog) compared with pushing Splints; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Reverse Twin Block with lip pads and rapid maxillary expander (RME)

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to lower ANB compared with reverse Twin Block with lip pads and rapid maxillary expander (RME); GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Reverse Forsus

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) showed no clear difference in overjet compared with reverse Forsus; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Reverse Forsus

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to higher ANB compared with reverse Forsus; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Modified tandem appliance

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to higher overjet compared with modified tandem appliance; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Mini maxillary protractor

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to lower ANB compared with mini maxillary protractor; GRADE not reported.

1 finding from 1 review

Facemask with rapid maxillary expansion (RME) vs Reverse Twin Block with lip pads and rapid maxillary expander (RME)

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask with rapid maxillary expansion (RME) led to lower wits appraisal compared with reverse Twin Block with lip pads and rapid maxillary expander (RME); GRADE not reported.

1 finding from 1 review

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs no treatment

Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… probably leads to higher overjet compared with no treatment (moderate certainty).

1 finding from 1 review

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs no treatment

Wits appraisal · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… led to higher wits appraisal compared with no treatment; GRADE not reported.

1 finding from 1 review

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs no treatment

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… probably leads to higher ANB compared with no treatment (moderate certainty).

1 finding from 1 review

High-volume evacuation (HVE) vs No HVE

Reduction in contamination of aerosols on operator's face shield/mask (RCTs) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

High-volume evacuation (HVE) showed no clear difference in reduction in contamination of aerosols on operator's face… compared with no HVE; GRADE not reported.

1 finding from 1 review

Intervention not reported

Co‐operation during induction ‐ Mask introduction/exposure (Mask) ICC (number of children compliant) · children

It is very uncertain whether the intervention changes co‐operation during induction ‐ Mask introduction/exposure (Mask)… (very low certainty).

1 finding from 1 review