Where does bacteria come from after we brush, floss, and rinse with mouthwash every crevice in our mouths?

Question

Where does bacteria come from after we brush, floss, and rinse with mouthwash every crevice in our mouths?

In: Biology

Answer 1

1. You don’t remove every last bacteria or even the vast majority of them. The surviving ones repopulate.

2. Food, water, objects inserted into the mouth, the air.