TIL that you are not supposed to rinse out your mouth after brushing your teeth so the fluoride can strengthen your enamel and prevent tooth decay
https://www.healthline.com/health/dental-and-oral-health/should-you-rinse-after-brushing-teeth
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1oxjhi2/til_that_you_are_not_supposed_to_rinse_out_your/