It may seem that the sole purpose of braces is to create flawless, beautiful smiles. However, straighter teeth and a properly aligned bite actually promotes better oral health. For patients considering braces, ask your dentist so he/she can recommend an orthodontist. An orthodontist is a dentist who specializes in straightening crooked teeth. But before you decide to speak with your dentist, you may have a few questions about braces. Such as the benefits of braces, how they work and how to care for them.