How clean are your teeth?
Photo Credit: George Becker On Pexels. CC0 License Do you remember what things were like in the old days, when brushing your teeth was an exhausting ritual of getting a toothbrush and rubbing it back and forth in your mouth for a few minutes? Thankfully, the wonders of modern technology have solved this problem for us, with the invention of the electric toothbrush. An electric toothbrush looks like a slightly bigger version of a normal toothbrush, but when you put in a battery and…
