Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

227 questions · 227 findings · 25 reviews

No studies found 74 · 32.6%GRADE not reported 12 · 5.3%Very low 67 · 29.5%Low 42 · 18.5%Moderate 21 · 9.3%High 11 · 4.8%

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: oral breathing (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: oral breathing (questionnaire) compared with placebo or no treatment (very low certainty).

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

Tonsillectomy vs tonsillotomy

Postoperative complications requiring medical intervention (with or without hospitalisation) · children with obstructive sleep‐disordered breathing

Tonsillectomy probably leads to higher postoperative complications requiring medical intervention (with or… compared with tonsillotomy (moderate certainty).

1 finding from 1 review