Eastern Iowa’s Leading Invisalign Provider!
Voted Best Orthodontist Iowa City 2014-2022

Iowa City Office: 319-688-0800
Coralville Office: 319-626-2142

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Eastern Iowa’s Leading Invisalign Provider!
Voted Best Orthodontist Iowa City 2014-2022

Iowa City Office: 319-688-0800
Coralville Office: 319-626-2142

header logo

Eastern Iowa’s Leading Invisalign Provider!

Iowa City Office: 319-688-0800
Coralville Office: 319-626-2142

Meet Dr. John Mergen

meet dr john mergenIowa City, Iowa’s Top Choice for Clear Braces & Invisalign®

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.

Being a second generation orthodontist, Dr. Mergen followed in his father’s footsteps in providing excellent care to every patient. He helps to change his patients’ lives by improving their smiles which also improves their self-esteem! He helps mentor high school teens who have an interest in the field of orthodontics by allowing job shadowing in his practice. Dr. Mergen finds great joy in showing his patients their original photos to see their reaction on the day the braces come off. It is an amazing transformation…so much more than just a 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.

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 Associations

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.

Meet Dr. John Mergen – Schedule Your Complimentary Assessment Today

To learn more about how our 5-star-rated orthodontist can help you, schedule your complimentary Mergen Smile Assessment today by calling 319-688-0800 or by clicking here to use our convenient online form. Your appointment includes:

  • Office Tour
  • Complimentary Snack & Beverage
  • Thorough Exam
  • 3D Digital X-Rays
  • Digital Images of Your Teeth
  • In-Depth Consultation
  • And More!
  • A $567 Value – Yours for Free!

During your assessment, our team will be happy to answer all your questions about our orthodontic treatments, our office, our flexible payment options, and anything else you may want to know about us!

Come experience our state-of-the-art orthodontic office! You will quickly discover that we offer high-quality orthodontic treatment to all our patients – and we do it with a smile!

As one of the premier orthodontic practices in Iowa City, IA, our team at Mergen Orthodontics also provides 5-star-rated orthodontic care to children and adults in Coralville, North Liberty & Solon, IA, and surrounding areas.