Adults often think that tooth decay is just for kids. However, did you know that decay is a risk your whole life? Even more important to understand is that when it is left untreated dental disease can lead to more serious health problems. Your mouth health is directly linked to your overall body health. Problems such as infection, damage to bone and tooth loss are only what may be visible to you. However these infections that are left untreated can even spread to the other parts of the body.