Brushing your teeth is important starting at a young age.
Brushing your teeth can prevent heart disease, social problems and save you money. According to article: 25 Reasons You should brush your teeth Posted by on February 10, 2012, not brushing your teeth can lead to heart disease.
Your mouth have tons of bacteria floating around in it, those bacteria can enter your blood stream affecting a variety of body systems. Check out the full article at, http://list25.com/25-reasons-you-should-brush-your-teeth/.