Toothbrush 101

People have been brushing their teeth for a long time.  Primitive versions of the toothbrush have existed for around 5000 years!  Thankfully, we have come a long way since the days of hog bristles and handles of wood, ivory, or bone.  Today’s brushes are virtually all made of plastic with nylon bristles.  But that’s often where the similarities stop. … Continue reading