About Us

About Good Company Dental Practice

Here at Cottleville Smiles, we believe that a smile tells a thousand words, and we are dedicated to giving our patients high-quality dental care. We offer a full range of dental services, so all of your family’s needs are met under one roof.

Our goal is for you to leave our office with a memorable and enjoyable dental experience, which is why our welcoming and compassionate staff will do everything they can to make you feel right at home.

If you are looking to brighten and enhance your smile, please don’t hesitate to contact us today at (636) 928-4090.

Photo
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.
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
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