The ugly truth is that your toothbrush can be a magnet for bacteria in the air or bacteria lying on sink or countertop surfaces. And, each time you put your toothbrush in your mouth it can be contaminated with not so good for you oral microbial organisms. Add in the germs that become airborne when flushing the toilet which can land on your toothbrush and you will understand the importance of cleaning your toothbrush.
July 28th, 2020