What digestive organ do you think of first? You probably think of the stomach. However, in fact, the first digestive organ is the mouth and teeth. We first chew food, and then it is sent to the stomach. Chewing food well helps your stomach digest it. Bad teeth are not only a burden on your stomach but also deprive you from the pleasure of eating. This is very unfortunate because eating is one of the most important and pleasant things for us. Do you care about your teeth? How do you care about your teeth?