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5800 Coit Rd #800
Plano, TX 75023

About Us

Meet Our Doctors

Jason Montgomery, DDS

Jason Montgomery, DDS

A native of Amarillo, Dr. Jason Montgomery earned his undergraduate degree from Texas A&M (Dean’s List, All Academic Team) and then graduated from Baylor’s College of Dentistry.

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Nicole Sivie, DDS

Nicole Sivie, DDS

Dr. Nicole Sivie, the second of three children grew up in Richardson, Texas. After graduating from Berkner High School, Dr. Sivie studied chemistry at the University of Texas at Austin.

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“Love this practice! Professional, on time, priced right and I’ve not once felt like I’m being up sold.” – Ryan

“Always a joy to see the staff! They are always warm and inviting! They always make sure you’re comfortable and look out for your well being. I highly recommend!!” – Todd

“I have a lot of dental anxiety but after my husband tried them for a cleaning, and literally came home raving about how thorough and informative they were.” – Katie

Discover why Plano residents choose Lonestar Dental Group as their home for dental health and wellness.

Our Doctors

If the thought of going to the dentist makes you feel anxious or embarrassed, we want you to know… we get it! We’re humans too, and we have to get our six-month checkups just like everyone else. That’s why you can expect a comfortable, relaxed, family atmosphere at Lonestar Dental Group. Experience the difference with a dental team that cares.

  • Advanced technology means fewer appointments, faster healing.
  • Convenient scheduling so you can get in, out, and back to your life.
  • Get in before school or after work with extended hours.
  • Feeling pain? Emergency services available – call now!

SCHEDULE AN APPOINTMENT SCHEDULE AN APPOINTMENT

Get Started in Three Steps!

Step 1

Call now to schedule
an appointment

We’ll also gather any necessary paperwork

Step 2

Complete your new patient appointment

Get a customized treatment plan that fits your specific needs

Step 3

Get your
smile back!

Because you deserve to smile with confidence

Our Favorite Patients Often

Have experienced years of dental trauma

You don’t have to feel ashamed of your smile, no matter it’s condition. Our team are experts in caring for even the most advanced dental issues.

Bring generations of family with them

We love getting to meet your crazy uncles, sassy grandmas, and all the kiddos too! No matter what age, stage, or amount of dental care is needed, we’ve got you.

Are on a journey to better overall health

Your mouth is the gateway to your body. Discover how better dental care can translate to better overall health.

Compassionate Team. Wonderful Experience. Affordable Care.

© 2026 Lonestar Dental Group