Earlier quoted context omitted.
How would floss not add any value? It literally removes food particles that otherwise would feed bacteria that cause cavities and bad breath. It was hard to take the rest of your comment seriously after that, and only reinforces the “europeans have bad teeth” stereotype.
https://www.health.harvard.edu/blog/tossing-flossing-2016081... . > the authors of these guidelines could not find convincing evidence to support flossing, and the guidelines are supposed to be evidence-based. According to reviews of the evidence published in 2011 and 2015, there is minimal, short-term, and generally unreliable evidence that flossing might reduce gum inflammation, but no convincing evidence that it p…
Flossing isn’t some kind of conspiracy. Dentists make no money off it. Many dental associations and government agencies outside of the US recommended it. Dental hygienist can frequently tell when you don’t floss because flossing reduces bleeding gums.
Bleeding gums are correlated with all kinds of poor health outcomes.
Furthermore The proposed mechanism of action for improving gum health is plausible and reasonable. We know that food stuck between teeth leads to gum inflammation—it is very reasonable that removing that food is beneficial.
There is no conclusive peer reviewed evidence that wiping your ass is beneficial either.