Meet the Team

GET TO KNOW

Dr. Justin Trisler

My life was once changed by an orthodontist as they gifted me with the inspiring smile that I have today. I knew from an early age that if I was blessed with the opportunity to be able to do the same thing for others then that is what I wanted to do. After growing up around Atlanta, I began my path to becoming an orthodontist by graduating from Berry College in Rome, Georgia where I fell in love with the outdoors and the mountains. I then accepted the Army’s Health Professional Scholarship and went on the University of Alabama in Birmingham for dental school. I entered active duty immediately after dental school and did an additional 1-year Advanced General Dentistry program with the Army at Fort Carson before being sent to Germany. I was then selected as 1 of only 3 dentists the Army trains each year to become orthodontists. I was sent to The University of Louisville for my orthodontic training. During this 2 years of specialty training I also received my Master’s degree in Oral Biology. The Army then sent me to Fort Hood, Texas to serve as both an orthodontist and to teach orthodontics for the Uniformed Service University in their 2-year Advanced General Dentistry training program.

I spent 10 years in the United States Army, as a primary care dentist for 4 years and as an orthodontist for 6 years so I could gain the necessary experience to open East Tennessee Orthodontics. It was an amazing time treating our Armed Forces and I’m proud to say that I’m a veteran of this great nation who now is honored to treat the great people of Eastern Tennessee!  

Outside the office, I still enjoy teaching and regularly speak to groups of dentists, hygienists, and dental assistants on a variety of orthodontic topics. I also enjoy volunteering my time providing dental care at the Emory Valley Clinic and local Remote Area Medical Clinics.I have been married to my wonderful wife Kelly for over 15 years we have 3 amazing children. Our boys Landon and Judah who are love soccer and tennis, the outdoors, and of course, video games, while our daughter Selah trying to keep up with her brothers and dancing. As a family we enjoy playing and watching soccer, mountain biking, hiking, watersports and snow skiing. We also love being involved in our church home, Providence, where both Kelly and I help with the Children’s Ministry.

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Dr. Tallman

After growing up in Cincinnati, OH, I ventured to central Virginia to attend Liberty University for my undergraduate education. Here, I met my sweet husband and fell in love with living near mountains. I received my Doctor of Dental Medicine degree from the University of Kentucky College of Dentistry. I also attended UK for my orthodontics residency program and master's degree in oral biology. I am thankful for the wonderful education I have been blessed with, including an emphasis on thorough diagnosis and treatment planning. One of my favorite aspects of orthodontics is being able to see patients on a regular basis and developing relationships with them. I love hearing about how they made the school's soccer team or how their recent family vacation was! As an orthodontist, I desire to transform lives by creating beautiful smiles, but more importantly, to give God glory by serving others with the talents He has blessed me with. Outside the office, I like to hike with my husband (David) and my dog (Raylan), explore new coffee shops, exercise, cook, and bake. Most recently, I have started making sourdough bread, and I will never look back!

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Dr. Gannon Van Allen

Dr. Van Allen is proud to call East Tennessee home. A Farragut native, he spent his formative years as an Admiral at FHS before becoming a Volunteer at the University of Tennessee. He earned his dental degree from the University of Tennessee College of Dentistry, then became a Lieutenant in the U.S. Navy and served for four years. While providing dental care to our nation's Sailors and Marines, he was awarded the Navy and Marine Corps Achievement Medal for his humanitarian work in Guatemala and Honduras.

Following his military service, Dr. Van Allen completed orthodontics residency at Albert Einstein Medical Center, and then entered private practice in Philadelphia and then Las Vegas. A Board-Certified Orthodontist, he approaches orthodontics with his personal philosophy: that exceptional orthodontics is the perfect intersection of evidence-based theory, creative vision, and skillful execution.

When he isn't helping patients, Dr. Van Allen enjoys life in East Tennessee with his wife, Shayna, their two young sons, and two hounds. During his free time, he loves long-distance trail running and woodworking. Be sure to wave if you see him out on a run!

Why Us?

ETO Team

It truly takes a team effort to provide the best orthodontic care in East Tennessee and we have the best team to take care of you and your family. You will always feel welcomed from the 1st phone call to your last retainer checkup and will be taken care of until you have the inspiring smile you always dreamed about. We don’t just stop there either. Ask us about our Treatment Guarantee. Find out a little more about our amazing team below and come meet these orthodontic Rockstars in-person.