What do you not understand?

@SW-User gotta brush them teeth morning and night, drink more water flows or use inter dental brushes. Effective brush is most important right up to the gum line

@SW-User how come? waht do you not understand?

@popmol I just never spent any time on learning it. I've never needed in my every day Life

@SW-User basic math?

@popmol lol I thought she meant on the teeth hahaha. No one calls it calculus anymore.

@Peppa xD