About Your Dentist

Caroline St. John, DDS

"I love restoring patients' confidence in their oral appearance and improving their health at the same time. It's amazing to see how a beautiful smile can change someone's self-image."

My Mission

"I would like my patients to say that I'm caring, compassionate, and understanding of their dental needs. I want them to think of me as someone with their best interests at heart, someone that will answer any of their questions without judgment, and someone they trust and respect."


  • University of Missouri - Kansas City School of Dentistry – Kansas City, Missouri
  • Truman State University – Kirksville, Missouri
  • Eureka High School – Eureka, Missouri

Associations and Memberships

Dr. St. John is a proud member of the American Dental Association, the American Student Dental Association, and the Missouri Dental Association.

Life & Hobbies

Dr. St. John grew up in Wildwood, Missouri, and currently resides in Kirkwood, Missouri. Outside of dentistry, she enjoys reading, working out, spending time with her family, and going to Cardinals games.

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Eric Egan, DMD

Education & Continuing Education

2-Year Implant Fellowship
Southern Illinois University Edwardsville – Edwardsville, Illinois

General Practice Residency
St. Francis Medical Center – Peoria, Illinois

Doctorate of Dental Medicine
Southern Illinois University School of Dental Medicine – Illinois

Bachelor of Science in Neuroscience (Pre-Med)
Augustana College – Rock Island, Illinois

Dr. Egan provides the patients of Family Dentistry of Ellisville with multiple surgical services including extractions, wisdom tooth removal, single and multiple tooth implants, full mouth dental implants, same day tooth extraction with implant placement, implant dentures, bone grafting, and periodontal surgeries including crown lengthening and gum grafting procedures.

Life & Hobbies

Dr. Eric Egan grew up in Aurora, IL and has lived in the St. Louis area since 2015 after graduating from Augustana College with a double major in Neuroscience and Pre-Medicine. Afterwards, he continued his education by completing a Doctorate of Dental Medicine at Southern Illinois University, Alton IL. 

With a high interest in dental surgery, Dr. Egan pursued a General Practice Residency at OSF St. Francis Medical Center in Peoria, IL, which emphasized emergency dental care including trauma, infection, extractions, and pathology. To further focus his skill set on dental implants, Dr. Egan completed a two-year Dental Implant Fellowship at the Advanced Care Clinic of Southern Illinois University’s Dental School.

In his spare time, Dr. Egan travels to see family, plays ice hockey, and enjoys being in the outdoors as much as possible. In his biggest news, Dr. Egan is looking forward to becoming a father with his significant other, Katelyn, this summer. They are expecting a little boy!