You might think that a missing tooth is unsightly, and you are right. But do you know that missing teeth can affect not only your dental health, but also your overall health? Dr. Bart Kreiner runs his own dental practice, Dr. Kreiner Family Dentistry, in Bel Air, Maryland. Here, he talks about how missing teeth not only affect the aesthetics of your smile, but your dental and overall health as well. Effect on overall health. As is known to all, because your ability to chew decreases with missing teeth, it directly affects your overall medical health. Chewing food is the beginning of the digestive process. If you lose a tooth, then you can’t chew the food properly before swallowing, the stomach and intestines will work harder to absorb nutrients. That means you absorb fewer nutrients and are less healthy. It shows that your missing teeth affect your overall health.