Meet Dr. Holt

Gary M. Holt, D.D.S., P.C.

Dr. Gary M. Holt is an orthodontist in Littleton/Highlands Ranch, Colorado who specializes in providing quality, personalized orthodontic care to children, teens and adults. He attends countless hours of continuing education and utilizes the latest advances in orthodontics to insure that his patients get excellent results with speedy treatment times and very minimal discomfort.

In 2009 and 2010 Dr. Holt was a Triple Crown winner in his local community grabbing the "Best of the Best” title for the Littleton Independent, Highlands Ranch Herald and Centennial Citizen newspapers.

Dr. Holt was honored to be peer nominated for top Dentist in 2011 and 2012. In the field of orthodontics, Dr. Holt has established a thriving practice built on the patient experience as a whole. We are proud of the care that we offer our patients from the moment they walk into one of our two state-of-the-art locations for a free consult, to the day their treatment is completed and they show off their beautiful new smile. Seeing the transformed smile of a satisfied patient is what makes orthodontics so enjoyable. Keeping up with the latest technology is an important part of that treatment as well. We use the iTero® Invisalign® scanning technology which means you no longer need messy impressions—we simply scan the teeth with a wand. That means he is in the top 5% of all doctors in the world with regards to training, skill, and use of the Invisalign system. And for non-Invisalign cases, Dr. Holt uses the most technologically advanced low friction bracket which means lighter forces are necessary for tooth movement. Stop by for a visit to either location (Littleton and Highlands Ranch) of Gary Holt Orthodontics to see how he and his staff can improve your smile!

Dr. Holt obtained his Doctor of Dental Surgery degree from the University of Maryland, Baltimore, and completed an orthodontic residency at the University of Missouri-Kansas City. He has been in private practice since 2003.

Dr. Holt is a member of the American Dental Association, the Rocky Mountain Society of Orthodontists, the Colorado Dental Association, the Metropolitan Denver Dental Society, the Colorado Summer Meeting, and the Denver Study Club for Orthodontists.

He is a public lecturer and published author. Dr. Holt and his wife have two daughters, Emma and Caroline and one son Jeremy. He and his wife are avid runners and mountain bikers, having completed many marathons including the Ironman Triathlon.




Dr. Holt participated in the Boulder Iron Man on August 2, 2015. He swam 2.4 miles, biked 112 miles and ran 26 miles in 9 hours! He placed 18th overall, 3rd in his division and qualified for the Iron Man Kona!

Congratulations Dr. Holt! We are so proud of you!

“I dreamed of doing an ironman triathlon and I did it. Remember you can do it if you work and train toward your goal. Whether academic, scholastic, professional, we wish you the best!”


Lecturing in South Africa. Cape Town today with 50 + doctors in attendance. Had some fun on the front end of the trip in the amazing and beautiful Cape Town.