Everyone understands that you should take care of your teeth to avoid toothaches, maintain your looks and keep dental bills at bay. Many people, however, don’t understand how crucial oral health is to our total health picture. Tooth problems can lead to diabetes, heart disease, systemic infections, an inability to eat or speak properly and other maladies – some life-threatening. Crooked or crowded teeth can contribute to gum disease that can eventually lead to tooth loss. Straight teeth are no longer just for looks.