First Impressions Dental

First Impressions Dental At First Impressions Dental, Dr. Terry Trezek & Dr. Madison Tapia take pride in offering a wide range of services that cater to all your oral health needs.

We are always happy to help you achieve a healthy and beautiful smile. When you visit First Impressions Dental you will experience all that modern dentistry has to offer, including a comprehensive list of general, restorative and cosmetic dental services to meet the needs of the entire family. Dr. Trezek and his team have been providing the highest standard of care possible for each patient since

2000. Your smile is your most valuable asset. Visit one of our convenient locations in Troy, Mo or O’Fallon, Mo to allow Dr. Trezek and his staff to make a lasting First Impression and help preserve your smile for years to come.

In remembrance.Today we honor the lives lost, the bravery shown, and the resilience that followed.   #911
09/11/2025

In remembrance.
Today we honor the lives lost, the bravery shown, and the resilience that followed.
#911

Keep your smile shining bright by taking care of this incredible natural armor!🦷✨
08/27/2025

Keep your smile shining bright by taking care of this incredible natural armor!🦷✨

Hello everyone! We’ve been a little quiet for the past two years, but we’re back and excited to reconnect. We’ve been bu...
08/25/2025

Hello everyone! We’ve been a little quiet for the past two years, but we’re back and excited to reconnect. We’ve been busy working on some amazing things, and we can’t wait to share them with you. To kick things off, tell us what you’d like to see from us! What kind of content are you most interested in? 🦷

05/16/2023

If you have been trying to call our office, our phones are down right now along with our internet! Please leave a voicemail and we will get back to you as soon as we can.

Once again sorry for the inconvenience this applies for BOTH offices!

Mr. and Mrs. Claus stopped by the Troy office today! We hope our wonderful patients have a very Merry Christmas! 🎄🎅🧑‍🎄
12/08/2022

Mr. and Mrs. Claus stopped by the Troy office today! We hope our wonderful patients have a very Merry Christmas! 🎄🎅🧑‍🎄

Our office is looking to hire a dental hygienist! Please share if you know a hygienist who would be interested in joinin...
10/04/2022

Our office is looking to hire a dental hygienist! Please share if you know a hygienist who would be interested in joining our team!

Competitive pay, excellent benefits, 4 or 5 day work week.
Must be willing to work in both Troy and O'Fallon offices.

https://www.indeed.com/job/dental-hygienist-f5f9a1cf58315bd1

02/04/2022

Due to road conditions we will be closed again tomorrow. We’re sorry for the inconvenience safety of our patients and staff is very important to us!

02/02/2022

Due to the inclement weather and the safety of our patients and staff our office will be closed today!

Happy Thanksgiving Eve from the FID team! We Hope you all enjoy time with family and friends! As a reminder our office w...
11/24/2021

Happy Thanksgiving Eve from the FID team! We Hope you all enjoy time with family and friends! As a reminder our office will be closing early today and will be closed Thursday and Friday. We will return to normal business hours on Monday! 😃 🦃🍁

My Dental Appointment  12/16/20 - by Diane R.I love going into this office. Everyone is so friendly and helpful.  I feel...
12/18/2020

My Dental Appointment 12/16/20 - by Diane R.

I love going into this office. Everyone is so friendly and helpful. I feel safe coming into the office during this stressful time. I love my dental hygienist Barb. She always takes such good care of me. She takes the time to explain things to me and how I’m progressing or what I need to do to keep my teeth healthy. Dr Trezak is the best!

See more of our patient reviews here:

Read what our patients say about our office!

12/09/2020

We are looking for an outgoing, knowledgeable individual for our front desk position. The ideal candidate should have excellent interpersonal skills and make each patient feel welcomed! The front office duties include patient scheduling, various clerical tasks, processing insurance benefits, billing and maintaining patient accounts. The candidate should be willing to travel to both our O'Fallon and Troy offices. If you are interested, please submit your resume BY EMAIL ONLY! [email protected]

Address

1630 Market Center Drive
O'Fallon, MO
63368

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 1pm

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