Has it ever happened to you to take the toothbrush from your family member by mistake and brush your teeth? Or sleeping over at your girlfriend or boyfriend's place, you forgot the toothbrush, yet you may not fall asleep without brushing your teeth. Well, it can happen and all the possible scenarios to justify why using someone's toothbrush at that point was the only choice, is going to change if you keep on reading this blog post. Even if we are a family, or partners, spouses each one of us carries millions of bacteria in our oral cavity which could be easily transmitted when sharing a same toothbrush. In addition, viruses and diseases can be also passed down easily through a toothbrush i.e through saliva and blood.