https://www.nhs.uk/live-well/healthy-teeth-and-gums/how-to-k...
> After brushing, spit out any excess toothpaste.
> Don't rinse your mouth immediately after brushing, as it'll wash away the concentrated fluoride in the remaining toothpaste.
> Rinsing dilutes it and reduces its preventative effects.
There seems to be a contradiction; rinsing well may minimize exposure from contaminants, but negate the effect of flouride :/
https://www.nhs.uk/live-well/healthy-teeth-and-gums/how-to-k...
> After brushing, spit out any excess toothpaste.
> Don't rinse your mouth immediately after brushing, as it'll wash away the concentrated fluoride in the remaining toothpaste.
> Rinsing dilutes it and reduces its preventative effects.
There seems to be a contradiction; rinsing well may minimize exposure from contaminants, but negate the effect of flouride :/