Dental Horizons

Dr. Kelson

Andrew Kelson, DDS

At Dental Horizons, we understand and cater to the varying and individualized needs of patients, which explains why we see ourselves as a one-of-a-kind Longmont dental practice. We serve the community of Longmont, Boulder and the surrounding area, not only as health care providers, but as a positive influence in our community. Longmont dentist, Dr. Andrew Kelson sees the creation of value as an ongoing process. It starts with your First Visit and continues with you every time life gives you reason to smile. Through your input and our staff’s commitment to stay on top of the latest and best in new oral health practices, we continually add value so we can offer you the best possible path to oral healthcare. If you see many smiling faces, our office may be nearby! So whether you are looking for a Longmont dentist or a dentist in Boulder, we would love to serve you.

Our friendly location can be found searching on Google Maps.

Call today for an appointment: 720-684-5477

 Dental Horizons

Monday – Friday 8:00 am – 5:00 pm
600 South Airport Road, Suite 200A
Longmont, CO 80503



The care we provide is comprehensive, quality, predictable and long-lasting to achieve your optimal oral health. We believe a healthy smile is often the vanguard of a healthy body and attitude. Your smile is the ever-present product of our efforts.


Every member of Dental Horizons shares a deep appreciation for the communities that we serve across Longmont, Boulder and smaller connected towns. While we work on creating a healthy smile, we realize helping those in need creates a bigger reason to smile. These two ideas are inseparable. Our smiles come from helping you attain the joy of oral health and being an active member in our conglomerate community. Moreover, we encourage our colleagues, product providers, and patients to also take a proactive position in our community.

What Our Patients Says

“Wonderful, thorough, gentle, best dentist I’ve ever had, thank you!” ~ 6/2015


“Dr. Kelson called about 6 pm to check on how I was doing as the anesthetic wore off. Thought that was an excellent example of the great service Dental Horizons provides.” ~ 5/2015


“Kimmie was especially attentive, gentle and most professional. Best cleaning I have had in recent memory. Dr. Kelson as always was informative, professional and kind.” ~ 3/2015


“We have come here for many years and we love the staff! Kimmie is excellent at her job and always a joy to talk to. Dr. Kelson is also excellent at his job and so thorough at explaining treatments. The office staff is equally impressive and friendly! We love this place! They treat you like family!” ~ 10/2015

"exceptional service"