What do systematic reviews say?

Interdental brushing plus toothbrushing vs Flossing plus toothbrushing

It is very uncertain whether interdental brushing plus toothbrushing changes plaque compared with flossing plus toothbrushing (very low certainty).

• Home use of interdental cleaning devices, in addition to toothbrushing, for preventing and controlling periodontal… 2019 · Cochrane All outcomes

  1 month (4 to 6 weeks)
  SMD -0.47 [-0.84, -0.11]
  5 studies · 290 participants
  Very low
• Interdental brushing for the prevention and control of periodontal diseases and dental caries in adults 2013 · Cochrane All outcomes

  1 month (4 to 6 weeks)
  SMD 0.10 [-0.13, 0.33]
  7 studies · 326 participants
  Low
• Interdental brushing for the prevention and control of periodontal diseases and dental caries in adults 2013 · Cochrane All outcomes

  3 months (12 weeks)
  SMD -2.14 [-5.25, 0.97]
  2 studies · 107 participants
  Very low