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Coralville, North Liberty and Iowa Citys Top Choice for Invisalign® & Clear Braces

Dr John Mergen, Founder Of Mergen Orthodontics

Dr. Mergen is devoted to creating amazing, “Mergen Orthodontic Smiles”. His signature smiles are said to change the life of his patients. He is known for his dedication to providing patients with exceptional service and advanced clear options that always exceed their expectations. Dr. Mergen creates a fun, relaxed environment where patients love to visit. The treatment options that Dr. Mergen offers are less obtrusive (clear) and he operates in an efficient manner in order to make orthodontic treatment short and sweet.

Dr. Mergen has dedicated his career to providing the most advancing orthodontic care and service for his patients.  He specializes in Invisalign the most advanced technology in orthodontic care providing it for all ages earning him the Top 1% VIP provider status in North America. Orthodontic treatment for Dr. Mergen is so much more than just straight teeth and a nice smile. Dr. Mergen is dedicated to complete patient care including proper jaw and facial growth, airway development, space for permanent teeth, stable bite, balanced TMJ relationship, aligned teeth and of course an amazing smile. 

Background & Education

Dr. Mergen’s interest in orthodontics started in high school when he made retainers in his father’s orthodontic practice. He was so excited about the field of orthodontics, he committed to an accelerated 3-year honor program at the University of Iowa College of Dentistry. He earned his Doctor of Dental Surgery from the University of Iowa in 1995, graduated with honors and second in his class of 87 students.

Then, Dr. Mergen accepted 1 of 5 spots into the top orthodontic graduate program in the country at the University of Iowa College of Dentistry and earned his Master’s in 1997. Dr. Mergen is dedicated to advancing orthodontic care and service for his patients. His has a specialized interest in Invisalign orthodontics earning him the Elite Invisalign Specialist status.

Academic Awards

  • Omicron Kappa Upsilon Honor Dental Society
  • American Academy of Esthetic Dentistry Student Award
  • American Academy of Prosthodontics Dentistry Student Award

Professional Publications

“Treatment outcomes of growing Class II Division 1 patients with varying degrees of anteroposterior and vertical dysplasias, Part 2. Profile silhouette evaluation.” American Journal of Orthodontics & Dentofacial Orthopedics 125 (4): 457-462, 2004.

“Evaluation of profile esthetic change with mandibular advancement surgery,” American Journal of Orthodontics & Dentofacial Orthopedics 117(6), 2000.

Case Publication:
“Treatment of a Class III malocclusion with maxillary constriction and an anterior functional shift.”

This case was chosen by the CDABO student case selection committee for publication in the AJO/DO.

(Am J Orthod Dentofacial Orthop 1999;116:324-8).

Outside the Office

Dr. Mergen loves having fun and spending time with his wife and two boys. His favorite sports are windsurfing, surfing, kiteboarding, wakeboarding, boating, snowboarding, and snowmobiling.