Meet Our Doctors
Our Doctors
The Faces Behind
Your Smile
Board-certified, compassionate, and genuinely invested in your long-term dental health.
Dr. Tanner Brown
DMD
Founder of Cottleville Smiles and the visionary behind Good Company Dental. Dr. Brown brings skill, warmth, and a genuine passion for changing lives through dentistry.
Dr. Beau Butzirus
DMD
Known for his calm chairside manner and precision, Dr. Beau makes even nervous patients feel at ease. Patients and staff alike love his energy and dedication.
Dr. TJ Grybinas
DMD
Dr. TJ is thorough, personable, and deeply committed to patient education. He takes the time to explain every step and ensures each patient leaves with confidence.
You Belong Here
Feel the difference
for yourself.
Come in once and you’ll understand why people keep coming back
— and why they bring everyone they love.
— and why they bring everyone they love.
Patient Stories
What Patients
Speak of Us
★★★★★ 5.0 rating from 1,074 reviews
★★★★★
“I drove past three other dentists to get here. Two years later, my whole family follows. There’s a reason this place is always booked.”
— Sarah M. · Cottleville Patient
March 2026
★★★★★
“My kids actually look forward to going to the dentist now. I never thought I’d say that about any dental office.”
— Rachel T. · O’Fallon Family
February 2026
★★★★★
“Dr. Tanner treated my veneers like they were his own smile. You feel the difference when someone genuinely cares.”
— James K. · Cosmetic Patient
March 2026
★★★★★
“Best dental experience I’ve ever had. They treated me like a person, not a patient number.”
— Mike D. · Cottleville Patient
February 2026
★★★★★
“I finally don’t dread going to the dentist. That alone says everything about this team.”
— Lisa H. · O’Fallon
February 2026
★★★★★
“Referred four coworkers here. Every single one thanked me. That’s all you need to know.”
Tom B. · O’Fallon
March 2026