What do systematic reviews say?

Professional oral care vs Usual oral care

• Oral care measures for preventing nursing home‐acquired pneumonia 2022 · Cochrane All outcomes
  Measured in only 1 study (834 participants), which reported no serious events and 64 non-serious events, the most common of which were oral cavity disturbances (not defined) and dental staining.
  1 study · 834 participants
  GRADE not reported

Chlorhexidine (mouthrinse or gel), as part of oral hygiene care vs placebo or usual care

• Oral hygiene care for critically ill patients to prevent ventilator‐associated pneumonia 2020 · Cochrane All outcomes
  Adverse effects: information from 2 studies; one stated there were none, the other reported mild reversible irritation of the oral mucosa; very low certainty. There was a lack of evidence about adverse effects.
  2 studies
  Very low

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

The review found no eligible studies for this question.

• Oral health educational interventions for nursing home staff and residents 2016 · Cochrane All outcomes
  None of the included studies assessed adverse effects of the intervention.
  0 studies
  No studies found