Why can brushing your teeth too hard damage them, but the sharp metal points dentists use to scrape enamel off don’t?

Question

Why can brushing your teeth too hard damage them, but the sharp metal points dentists use to scrape enamel off don’t?

In: Other

Answer 1

Brushing your teeth too hard is more likely to damage your gums/gingiva, not necessarily your teeth.

Dentists aren’t scraping your enamel off, they’re scraping plaque off.