Where Your Family Gets Treated by Ours
Professional, Reliable, Friendly Dentistry and Orthodontics in Thornton, CO
Locally owned and operated, serving the Thornton community proudly from two offices — 120th & York, and 88th Ave next to Walmart. Offering gentle dental care for the entire family, we are here for all your dental needs.
InsuranceMost insurances accepted, including 100% Medicaid & CHP+ coverage.

- Board certifiedBoard certified general dentists and an experienced board certified orthodontist.
- Two Thornton offices120th & York, and 88th Ave next to Walmart — both in Thornton, CO.
- Most insurances acceptedIncluding 100% Medicaid & CHP+ coverage, for current and new patients.
- Locally ownedLocally owned and operated, serving the Thornton community proudly.
- Free ortho evaluationCome in for a complimentary orthodontic evaluation and free exam.
Our services
What we offer in Thornton, CO
From general dentistry to orthodontics for adults and children. Every group below opens its full detail on our services page.
Oral Dentistry
Board certified general dentists and hygienists covering everyday dental care for the whole family.
- Check-ups
- Teeth cleaning
- Fillings
- Crowns
- +6 more
Orthodontics
An experienced board certified orthodontist for adults and children, with state-of-the-art digital imaging.
- Braces
- Invisalign
- Retainers
- Mouthguards
- +1 more
Pediatric Dentistry
A safe, non-frightening first visit, with treatment explained so you and your child both understand it.
- Preventive care
- Early detection
- Nitrous oxide
- Parents welcome
Hospital Dentistry
For anxious and apprehensive patients — sedation supervised by a board certified dental anesthesiologist.
- Hospital dentistry
- Conscious sedation
- General sedation
- Nitrous oxide
Our staff
Our friendly staff in Thornton, CO
Our dentists take time to explain different dental treatments to provide specific customized treatment plans to best fit each of our patient's needs.

Dr. Minh Thai, DDS
Board certified, licensed in Colorado. D.D.S., University of Colorado.

Rex Johnson, DDS
D.D.S., University of Nebraska. Orthodontic program, Minnesota, 1999.

Dr. Tonni Faber, DMD
D.M.D., MUSC 2002. Experience in pediatric and adult dentistry.

Dr. Kristopher Mendoza, DDS
D.D.S., UCLA. Residency in dental anesthesiology at UCLA.
Where we are
Two offices in Thornton, CO
Thornton Family Dentistry & Orthodontics is locally owned and operated, servicing the Thornton community proudly.
120th & York
2300 E 120th Ave, Ste 104, Thornton, CO 80233Mon–Fri, plus Saturday by appointment — full hours in the footer
thorntonsmiles@yahoo.com88th Ave, next to Walmart
810 E. 88th Ave, Ste 140, Thornton, CO 80229Mon–Thu — full hours in the footer
thorntonsmiles2@yahoo.com
Testimonials
What our customers are saying in Thornton, CO
Patient reviews, published word for word from our testimonials page.
Friendly and Fast! Staffs are very friendly, every time I walk in there the staffs are always Greeting me with a big smile. I am in and out. Make it easy on me. Always walking out feel clean.
– Lai
The dentist and the staff at “Thornton family” are great. They made sure it would not be painful… I would highly recommend this dental office, especially for families since they see children and adults.
– Wendy F.
I have been going to Thornton Family Dentistry for some time now and the service there is awesome my teeth are getting stronger and healthier… my teeth have improve…thank you so much…
– Michael G.
Everytime I go for an appointment its great. The staff is great and friendly. For the first time in my life going to the dentist is a wonderful and comfortable feeling. Love the staff.
– Jacob M.
We have been coming to Thornton Family Dentistry and Orthodontics for a few years now… They take very good care of my children and I deeply appreciate their professionalism.
– Emma M.
Schedule an appointment
Give us a call or stop in
Give us a call or stop in to schedule your next cleaning and exam or your Orthodontic consultation.
Most insurances accepted, including 100% Medicaid & CHP+ coverage. Come in for a complimentary orthodontic evaluation — and see our promotions page for offers for our current and new patients.




