What do systematic reviews say?

1400/250 ppm F (amine F/SnF2) toothpaste + mouthrinse, daily vs 1400/250 ppm F (NaF) toothpaste + mouthrinse, daily

It is very uncertain whether 1400/250 ppm F (amine F/SnF2) toothpaste + mouthrinse, daily changes visible plaque index (mean change from baseline) compared with 1400/250 ppm F (NaF) toothpaste + mouthrinse, daily (very low certainty).

• Fluorides for preventing early tooth decay (demineralised lesions) during fixed brace treatment 2019 · Cochrane All outcomes

  At debond; follow-up 1.5 years
  MD -0.09 [-0.18, 0]
  1 study · 97 participants
  Very low

Professionally-applied 12,300 ppm F APF foam, every 2 months vs 0 ppm F placebo foam

The review found no eligible studies for this question.

• Fluorides for preventing early tooth decay (demineralised lesions) during fixed brace treatment 2019 · Cochrane All outcomes

  At debond (end of orthodontic treatment)
  SoF 2. Adverse effects: none of the trials reported this outcome.
  0 studies
  No studies found

Fluoride varnish vs Non-fluoride (placebo) varnish

• Fluorides for preventing early tooth decay (demineralised lesions) during fixed brace treatment 2019 · Cochrane All outcomes

  At debond; follow-up 1.7 years
  SoF 1. Adverse effects: no evidence that the intervention had adverse effects; only 1 participant with an adverse event and unclear if directly related to the intervention. 148 participants (1 RCT, Sonesson 2019);…
  1 study · 148 participants
  Low