Dentistry That Feels Different

A people-first approach using advanced technology with a warm, welcoming environment that feels like family.

Dr. Matthew McCullough

Dr. McCullough grew up in the small town of Bridgeport, IL, located in southeastern Illinois, and graduated from Greenville College in 1996 with honors. Dr. McCullough then attended the Southern Illinois University School of Dental Medicine in Alton, IL, graduating near the top of his class in 2000 with honors. He received several awards in dental school, including the Arm and Hammer Dental Award. He also was admitted to the Omicron Kappa Upsilon National Dental Honor Society based on his scholarship and character.

Why Choose Us

Exceptional Service With a Personal Touch

Choosing the right dental provider matters. We combine expert care, advanced technology, and a warm atmosphere to ensure every visit is comfortable, efficient, and tailored to your unique needs.

  • Experienced Dental
  • Advanced Technology
  • Family-Friendly

Dental Implants

What We Offer

A permanent, natural-looking solution for missing teeth. Our in-house dental implants restore your smile, confidence, and ability to chew comfortably.

Restorative Dentistry

Repair decay and damage to your teeth with restorative services by our talented dental staff. We have solutions for your cracked or broken teeth.

General Dentistry

Maintain the health of your teeth with teeth cleanings, x-rays, oral exams, and more general services at our dental practice.

Cosmetic Dentistry

Our cosmetic services include veneers, fillings, teeth whitening, and dental implants, all of which can help you achieve a perfect smile.

Book your appointment today

Your Health. Your Smile. Your Family. Let’s Get Started.

Whether you’re in pain, overdue for a cleaning, or looking for a dentist your whole family can trust, Great Rivers Dental East Alton is here for you.

For over 70 years, our practice has served this community with experienced, patient-centered care. Now with expanded services and a seasoned clinical team, we’re making it even easier to get the dental care you need — without the stress.

Need to Be Seen Quickly?

We’re now accepting emergency appointments and new patients. If you’re in pain, have a broken tooth, swelling, or discomfort — call us right away. We prioritize urgent cases and do everything we can to get you in fast.

Testimonials

What Our Patients Say

“I have actually had a few root canals in my life, with different dentists sometimes using gas. I actually fell asleep during a root canal at this office, which is a local anesthetic. I recently had two cavities filled that were painless.”
Michael
“Best Dentist and staff you could ever ask for. 110 % satisfied with all their services.”
Ken

Our Insurance

We accept all PPO plans.
If you have further questions regarding insurance acceptance, please call our office.