Contact Our Thornton Kids Dental Office

7375 E. 128th Ave
Thornton, CO 80602

Mon – Thu: 8AM – 5PM
Fri: 8AM – 1PM
Sat: By appointment only

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Meet the Doctors

Dr. A. Patrick Smithwick, fondly known as Dr. Paddy, and Dr. Roger Castro, known as Dr. Roger, are board-certified pediatric dentists. (Fun fact: They were actually friends in dental school!) Dr. Justin Owens, a certified specialist in orthodontics, rounds out the team. The trio offer a full range of pediatric dental services and orthodontic treatment to kids and teens. They are all about providing exceptional care and making the experience positive and fun to encourage a lifetime of awesome oral health.
braces-adult-teen-childTreatment for Kids

At Kids Mile High we take a kid-centered approach. We make it entertaining and fun which creates a positive relationship with oral health that can last a lifetime.

Treatment for Teens

In addition to keeping your teen’s teeth and gums clean and healthy, we’ll monitor the development of their mouth and point your teen in the right direction if it’s time to start thinking about braces.

Isolite Systems

The Isolite System relies on a single-use, soft and comfortable bite block so your child’s jaw won’t hurt after a procedure.

Myobrace

Myobrace is a better way to achieve straighter teeth without the use of braces! It’s a natural way to fix bad oral habits and exert light force to align the teeth and jaws into their natural position.

Waterlase

Waterlase dentistry uses a combo of water, air and laser energy, to perform a variety of dental procedures. It’s a way more comfortable way of treating infants and young children.

Mouthguards

Kids Mile High has partnered with Under Armour to offer our sports playing patients the ultimate in tooth protection. It all starts with an awesome 3-D scan of their mouths and results in a custom mouthguard.

Braces

Braces are a tried and true way to straighten teeth and align the bite. At Kids Mile High, we offer clear braces and metal braces for kids.

Invisalign

Does your child want to perfect their smile without brackets and wires? You’re in luck. We’re a Thornton Invisalign and Invisalign Teen provider!

“Everybody was great. Our appointment was on-time. Dr Paddy is wonderful with our daughter. We only wish we could find more health care services as good as this office.”

Sarah H.

“This place is AMAZING!!! Not only did my kids walk out with tons of giveaways, but the staff and office vibe was spot on. Everyone was so friendly and accommodating. The toys and games kept my kids busy that they didn’t want to leave. Finally, Dr. Patty was super personable and fun! We can’t wait to go back!”

Louise

“I would like to thank Dr. Roger for showing my kids not all dentist are bad dentist! I also would like to say how amazing the staff is as well...I have had the pleasure of watching Mrs. Trish handle my kids in the most gentle, yet assertive way that my kids ask when they are going back! Thank you guys so much!”

Ebony G.

“i’ve been coming here for 19 years now and Dr. Paddy is one of the best dentist I’ve had. He’s super fun and always good humored.”

Anna S.