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Comfort Dental - Longmont

1751 Hover Street Suite A2 Longmont, Colorado 80501

M-F:
7:30am – 7:30pm
Sat:
7:30am – 1:30 pm
Sun:
Closed
Current Offer

$19 new patient exams

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Our Practice

At Comfort Dental – Longmont, we’re proud to provide high-quality, affordable dental care in a friendly and welcoming environment. Our experienced team — Dr. Stephen Sidwell, Dr. Aaron Mortensen, Dr. Derek Petersen, and Dr. David Dinsmore — is committed to helping you and your family achieve healthy, confident smiles. If you’re looking for a dependable dentist in Longmont who offers personalized care and modern solutions, we’re here to serve you.

In keeping with Comfort Dental’s overarching mission, we strive to make sure everyone who needs quality dental care gets it. That’s why we have flexible scheduling and set aside time each day to handle any emergencies that come through our doors. We also promise reasonable fees, and we have a Gold Plan for uninsured patients.

Why Choose Us?

At our dental office in Longmont, we have already cared for more than 16,000 people in the community, and we’re committed to caring for many more. Because of our affordable rates, convenient hours, and soothing atmosphere, we’ve made a name for ourselves as one of the best practices in the area, and it’s an honor we carry with pride.

Choosing the right dentist in Longmont means finding a team that values your comfort, listens to your concerns, and delivers consistently excellent results. At Comfort Dental – Longmont, we treat every patient with care and respect, whether you’re here for a routine cleaning or a complex procedure. We accept most insurance plans, offer flexible scheduling, and keep our prices affordable so you never have to choose between your health and your budget. From preventive care to advanced restorative treatment, we’re here to support your long-term dental wellness.

 

Meet Our Dentists + Specialists

Stephen Sidwell

Stephen Sidwell

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All Comfort Dental dentists are graduates of accredited dental programs and are licensed by the state in which they practice. They have chosen to purchase a Comfort Dental franchise in order to achieve their professional goals.

Aaron Mortensen

Aaron Mortensen

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Dr. Aaron Mortensen is a native Coloradoan who has always loved the mountains and all that this state has to offer. He and his wife have four children who are involved in sports, rock climbing and music lessons.  In 2005, Dr. Aaron received a degree in Neuroscience from Brigham Young University while minoring in Art History. He graduated from the Arizona School of Dentistry and Oral Health in 2009. He became a partner at Comfort Dental in Longmont that same year. He enjoys the variety of procedures performed by general dentists, and he especially appreciates getting to know the good people in Longmont and the surrounding areas. He's been at the Longmont location ever since 2009. He loves his staff members and is proud of their successes and growth.  When time permits, Dr. Aaron enjoys music, concerts, sporting events, very old art, hiking, and timepieces. He speaks French and is improving on Spanish. He and his family are very involved in their faith and church. He looks forward to seeing you soon!

Derek Petersen

Derek Petersen

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All Comfort Dental dentists are graduates of accredited dental programs and are licensed by the state in which they practice. They have chosen to purchase a Comfort Dental franchise in order to achieve their professional goals.

David Dinsmore

David Dinsmore

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**Graduate Loyola University Dental School** Emotional Focused Therapy Study- Dr Sue Johnson 2021; Former Fellow American Academy of Pain Management; Former American Academy of Sports Dentistry, Former American Academy of Head, Neck and Facial Pain;  Certified Professional and Organizational Coach;  Former Fellow International College of Cranial Mandibular Orthopedics, Former Certified Neuromuscular Massage; Former certified hypnotherapy; Former certified Strength and Conditioning Coach; Former American College of Sports Medicine; Former International Sports Sciences Association; Former Medical Acupuncture for Physicians; Center for Mind-Body Medicine CE studies - University of Minnesota Medical School; Robbins- Madanes Coach Training Study; Former Certified Neuro Linguistic Programing; Former Certified Wilderness First Responder; Marriage Dynamics Marriage Class Facilitator (with my wife, Jane) since approximately 2006 - 2022

Alice Jou

Alice Jou

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All Comfort Dental dentists are graduates of accredited dental programs and are licensed by the state in which they practice. They have chosen to purchase a Comfort Dental franchise in order to achieve their professional goals.

Using Insurance?

We’re happy to work with most insurance plans. Visit our Insurance page or contact our office to confirm your plan and benefits.

See the services we offer at Comfort Dental in Longmont, Colorado

Wisdom Tooth Extraction

Wisdom teeth often need to be removed when they’re impacted, crowded, or causing pain and infection risk. Our team evaluates your wisdom teeth with imaging to determine the safest, most comfortable extraction approach. Early removal can prevent more serious complications down the road.

Dental Implants

Dental implants replace missing teeth with a permanent, natural-looking solution that functions just like your own teeth. A titanium post is placed in the jawbone to support a custom crown, giving you back the ability to eat and smile with confidence. Implants also help preserve jawbone structure that can be lost after tooth loss.

Zirconia Crowns

Zirconia Crowns offer a strong, durable, and natural-looking option for restoring damaged or weakened teeth. The material resists chipping and wear while blending seamlessly with your surrounding teeth. Many patients choose zirconia for its combination of strength and aesthetics.

Teeth Whitening

Teeth whitening brightens your smile by lifting stains caused by coffee, tea, wine, and everyday life. Professional whitening delivers faster, longer-lasting results than over-the-counter products, all under the care of our dental team. It’s a simple way to refresh your smile for any occasion.

Pediatric Dentistry

Pediatric dentistry is designed to make dental visits comfortable and even fun for kids, from their first tooth through their teenage years. Our team focuses on preventive care and education, helping children build healthy habits that last a lifetime. A friendly, gentle approach from our team helps ease any anxiety our patients may experience.

Sedation

Sedation dentistry helps patients relax during treatment, making it easier to get the care you need without anxiety or discomfort. Options range from mild sedation to deeper levels, tailored to your comfort and the complexity of the procedure. It’s an excellent choice for patients with dental anxiety or those undergoing longer treatments.

Dental Exams

Our comprehensive dental exams are designed to catch issues early, before they develop into more serious problems. We evaluate your teeth, gums, jaw, and bite, and may use digital X-rays to assess areas beneath the surface. These exams provide valuable insights into your oral health and allow us to tailor your care to your needs.

Digital X-Rays

Digital X-rays give us a clearer, faster, and safer view of your teeth and jawbone. They use significantly less radiation than traditional X-rays and are available instantly on-screen for review. This technology helps us detect hidden problems like decay, infections, or bone loss with greater precision.

Fluoride Treatments

Fluoride is a proven way to protect your teeth against decay by strengthening tooth enamel. We apply a concentrated fluoride solution during your visit to help remineralize weak areas and prevent new cavities. This quick, painless treatment is especially helpful for children and adults at higher risk of tooth decay.

General Dentistry

General dentistry covers the everyday care that keeps your smile healthy, from routine cleanings and exams to fillings and preventive treatments. Our team focuses on catching small issues before they become bigger problems, so you can maintain a healthy mouth for years to come. Regular checkups are the foundation of good oral health.

We look forward to seeing you in Longmont, Colorado

1751 Hover Street Suite A2 Longmont CO 80501

Want to visit an affordable, expert dentist in Longmont, so you’ll know your smile is in good hands? Comfort Dental in Longmont is here to make dental care easy, affordable, and comfortable for patients of all ages. Whether you need preventive services or advanced restorative treatment, you can count on our team for compassionate care and reliable results. If you’re searching for a dentist in Longmont who puts your health and comfort first, we invite you to schedule your visit with us today. Give us a call today at (303) 678-7783 and make an appointment! We’re ready and waiting to hear from you.

 

Directions to our Practice

If you’ve never been to our office in Longmont, here’s an easy route you could take to reach us. Starting from the Longmont Public Library, head north on Kimbark St, then turn left onto 9th Ave. After 1.6 miles, turn right onto Hover St. In another 1.1 miles, once you pass the intersection with 17th Ave, turn left and left again into our parking lot. We’re at 1751 Hover St Ste A-2.

 

Address

1751 Hover Street Suite A2 Longmont, Colorado 80501

Hours

M-F:
7:30am - 7:30pm
Sat:
7:30am - 1:30 pm
Sun:
Closed
Need an interpreter? Click for language services and our notice of non-discrimination.

Flexible Payment Options

Questions about visiting us in Longmont, Colorado?

Do You Take Walk-ins?

Yes. Walk-ins are welcome during opening hours, and emergencies are seen the same day wherever we can. Booking ahead still gets you the shortest wait.

Do I Need Insurance For My Visit?

We work with many major dental insurance carriers, including Delta Dental, Cigna, MetLife, Aetna, UnitedHealthcare, Guardian, Humana, Anthem, and others. Call our office for specific details.

Don’t have dental insurance? Our Gold Plan offers an affordable alternative, with savings on preventive care and 20% off eligible in-house dental procedures. Benefits and pricing vary by location.

See Gold Plan Benefits →

Are You Open on Weekends?

Most Comfort Dental locations are open 7:30 am – 7:30 pm Monday - Friday and 7:30 am – 1:30 pm on Saturdays, making it easier to fit dental care into your schedule. Hours may vary by location.