John Mergen, DDS, MS

Welcome to Mergen Orthodontics

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Welcome to Mergen Orthodontics where you will notice from the first phone call and your initial visit that you chose the right orthodontist for your care!   Dr. John Mergen is proud to offer outstanding orthodontic care for the entire family in a modern, relaxing atmosphere. Dr. Mergen is a second generation orthodontist as he followed in his father’s footsteps offering exceptional orthodontic care and personal service. We offer CLEAR orthodontic treatment options to meet the needs and desires of each individual patient. Dr. Mergen’s office is equipped with state-of-the-art technology to ensure our patients receive optimum results in the most efficient manner possible (average treatment time only 12-18 months).


Our team of skilled professionals 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!


CALL US AT: 319-688-0800

ICE Inspire are crystal clear braces.  Dr. Mergen uses clear braces as his standard for all his patients.  They are crystal clear, smaller with rounded edges which make them far better for our patients compare to traditional metal braces. 


Invisalign® is the clear way of achieving some benefits of traditional braces without anyone having to know you’re                                                        wearing braces.

Damon Clear uses no steel ties or elastics, so they are hardly noticeable and can reduce treatment time and need for adjustments because of the self-ligating system.