Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

655 questions · 682 findings · 102 reviews

No studies found 129 · 18.9%GRADE not reported 103 · 15.1%Very low 220 · 32.3%Low 142 · 20.8%Moderate 64 · 9.4%High 24 · 3.5%

Educational intervention with information only (theoretical dental health education, no practical training) vs usual care

Denture-induced stomatitis · Residents of institutions for elderly people (nursing staff and residents took part in the education programme)
1 finding from 1 review

Educational intervention with information only (theoretical dental health education, no practical training) vs usual care

Denture plaque · Residents of institutions for elderly people (nursing staff and residents took part in the education programme)
1 finding from 1 review

Intervention not reported

Exacerbations requiring oral corticosteroids 7.3‐month · people with asthma

The intervention showed no clear difference in exacerbations requiring oral corticosteroids 7.3‐month (low certainty).

1 finding from 1 review

Intervention not reported

Exacerbations requiring hospital admission 7.8‐month · people with asthma

The intervention showed no clear difference in exacerbations requiring hospital admission 7.8‐month (moderate certainty).

1 finding from 1 review

Intervention not reported

Unscheduled healthcare visits 6.2‐month · people with asthma

It is very uncertain whether the intervention changes unscheduled healthcare visits 6.2‐month (very low certainty).

1 finding from 1 review

Educational intervention with information only (theoretical dental health education, no practical training) vs usual care

Oral health-related behaviour (denture cleaning habits) · Residents of institutions for elderly people (nursing staff and residents took part in the education programme)
1 finding from 1 review