A dirty toothbrush can get germs and viruses into your bloodstream through an abscess or gum lesion which can cause ”>bacterial and viral infections. New technologies such as the toothbrush sterilizers/keeper use UV to sterilize your toothbrushes before and after use. When an individual is sick, viruses and bacteria can also go with the brush to the shelf preventing their total elimination from the surrounding. Furthermore, if a family uses one of those communal storage racks which are supposed to keep your family’s toothbrushes clean, it can become not only a spreading mechanism but a repository for these germs which can lay dormant ready to strike when your body’s resistance is low.