Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,922 questions · 3,118 findings · 513 reviews

No studies found 574 · 18.4%GRADE not reported 372 · 11.9%Very low 723 · 23.2%Low 854 · 27.4%Moderate 489 · 15.7%High 106 · 3.4%

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

Development of post-radiotherapy dental complications (caries, fractured teeth, periapical infection, periodontal disease, osteoradionecrosis) · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…

The review found no eligible studies for this question.

1 finding from 1 review

Tilting-type RDP (minor connector design) vs Functional and sanitary RDP designs

Patient satisfaction · Partially edentulous patients with a distal-extension RDP (minor connector); cross-over
1 finding from 1 review

Altered-cast technique RDP vs One-piece cast RDP

Patients with increased abutment tooth mobility · Partially edentulous patients treated with a distal-extension RDP

Altered-cast technique RDP showed no clear difference in patients with increased abutment tooth mobility compared with one-piece cast RDP; GRADE not reported.

1 finding from 1 review

Occlusal splint vs Transcutaneous electric nerve stimulation (TENS)

Pain in temporomandibular joint (TMJ) · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…
1 finding from 1 review

Occlusal splint vs Transcutaneous electric nerve stimulation (TENS)

Clicks in TMJ on oral opening and closing · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…

Occlusal splint showed no clear difference in clicks in TMJ on oral opening and closing compared with transcutaneous electric nerve stimulation (TENS); GRADE not reported.

2 findings from 1 review

Occlusal splint vs Transcutaneous electric nerve stimulation (TENS)

Headache · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…
1 finding from 1 review
  • Occlusal splint versus TENS, headaches (Alvarez-Arenal 2002): the event did not occur in either group, so the risk ratio was not estimable (Risk Ratio, M-H, Fixed, 95% CI; subtotals only).
    1 study
    GRADE not reported

Summary of findings table ‐ Silicone earplugs vs no earplugs

Cerebral palsy · preterm or very low birth weight infants

It is very uncertain whether summary of findings table ‐ Silicone earplugs changes cerebral palsy at 18 to 22 months' corrected age compared with no earplugs (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Silicone earplugs vs no earplugs

Normal auditory functioning at discharge · preterm or very low birth weight infants

It is very uncertain whether summary of findings table ‐ Silicone earplugs changes normal auditory functioning at discharge compared with no earplugs (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Silicone earplugs vs no earplugs

All‐cause mortality during hospital stay · preterm or very low birth weight infants

It is very uncertain whether summary of findings table ‐ Silicone earplugs changes all‐cause mortality during hospital stay compared with no earplugs (very low certainty).

1 finding from 1 review

Higher vs lower FiO2 or targets of arterial oxygenation

All‐cause mortality: range 1 mo to 1 y · adults admitted to the ICU

It is very uncertain whether higher changes all‐cause mortality: range 1 mo to 1 y compared with lower FiO2 or targets of arterial oxygenation (very low certainty).

1 finding from 1 review

Higher vs lower FiO2 or targets of arterial oxygenation

Proportion of participants with 1 or more serious adverse events according to International Conference on Harmonisation Good Clinical Practice (ICH‐GCP) · adults admitted to the ICU

It is very uncertain whether higher changes proportion of participants with ≥ 1 serious adverse events according… compared with lower FiO2 or targets of arterial oxygenation (very low certainty).

1 finding from 1 review

Higher vs lower FiO2 or targets of arterial oxygenation

Lung injury diagnosed after randomisation (composite outcome): range 4 d to 23 d · adults admitted to the ICU

It is very uncertain whether higher changes lung injury diagnosed after randomisation (composite outcome): range… compared with lower FiO2 or targets of arterial oxygenation (very low certainty).

1 finding from 1 review