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What do systematic reviews say?

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Evidence found and GRADE certainty

1,809 questions · 1,956 findings · 194 reviews

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No studies found 422 · 21.6%GRADE not reported 427 · 21.8%Very low 353 · 18%Low 397 · 20.3%Moderate 293 · 15%High 64 · 3.3%

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Improvement on sagittal relationship between the maxilla and mandible (cephalometric data) · Children with obstructive sleep apnoea (aged 15 years or younger)

The review found no eligible studies for this question.

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Nocturnal symptom: restless sleep (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

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

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: nasal stuffiness (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: nasal stuffiness (questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: school problems (Brouillette 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: school problems (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Summary of findings: oral steroids plus antibiotic vs control plus antibiotic

Adverse effects [2 weeks to 6 months] · Children with otitis media with effusion

Summary of findings: oral steroids plus antibiotic showed no clear difference in adverse effects [2 weeks to 6 months] compared with control plus antibiotic (low certainty).

1 finding from 1 review

Summary of findings: oral steroids plus antibiotic vs control plus antibiotic

Hearing loss · Children with otitis media with effusion

Summary of findings: oral steroids plus antibiotic showed no clear difference in hearing loss [2 months]1 compared with control plus antibiotic (moderate certainty).

1 finding from 1 review

Summary of findings: oral steroids plus antibiotic vs control plus antibiotic

OME resolution at short‐term · Children with otitis media with effusion

Summary of findings: oral steroids plus antibiotic leads to higher OME resolution at short‐term compared with control plus antibiotic (high certainty).

1 finding from 1 review

Strategies to integrate oral health into primary care (e.g., training/education of non-dental primary care professionals, policy/financing and health-insurance changes, colocation of dental and medical services, interprofessional and community-health-worker collaboration, teledentistry, integrated oral health assessment tools, school-based activities)

Dental caries estimates · People receiving or providing primary care; all ages, ability types, and locations

Seven studies measured change in dental caries estimates.

1 finding from 1 review