Why can brushing your teeth too hard damage them, but the sharp metal points dentists use to scrape enamel off don’t?
In: Other
The tooth is harder than both that dental pick and a bristle of the tooth brush. So it neither are “scratching” your teeth. Instead it’s the wear that comes with pressure, movement, and time. You brush every night, with too much pressure, then your tooth will wear down like the stone steps of an old building. You do brushing more often with more points of contact, usually with more pressure than what the dentist uses.
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