Everyone wants a great smile, and your orthodontist is a specialist in making your smile the best it can be. Straight teeth not only look good, they also give you a good bite. Your upper and lower teeth fit together the way they should, so it's easier to bite, chew and speak. The goal of orthodontic treatment is a beautiful smile and a good bite—meaning straight teeth that mesh well with the teeth in the opposite jaw and look great. A good bite makes it easier for you to bite