What do systematic reviews say?

Individually designed, patient-centred preventive programme: dietary counselling (snacking timing, regular meals, fermentable carbohydrates) plus toothbrushing counselling, delivered by trained dental hygienists (a multi-intervention) vs Basic prevention offered as standard in public dental clinics

• One‐to‐one dietary interventions undertaken in a dental setting to change dietary behaviour 2012 · Cochrane All outcomes

  2 to 4 years
  Table 2: 86% (215) intervention versus 83% (205) control at follow-up (baseline 74% versus 77%). No significant change.
  1 study · 497 participants
  GRADE not reported