Iowa City Orthodontist, D. John Mergen, is dedicated to providing each of our patients with the compassionate and individualized care they deserve. It is our goal to provide you with the most advanced care in the easiest way possible. CLEAR BRACES are the standard of our practice! We want our patients to be confident during their orthodontic care by knowing that most people will NOT notice they have braces. Our advanced technology allows us to eliminate metal brackets and bulky headgear. Using our precise mix of cutting-edge technology and time-proven methods, we are able to provide you with the beautiful smile that YOU deserve and have always wanted!