Meet Our Dentists

Dr. Leppo


Rick Leppo

A native of northwestern Illinois, Dr. Leppo completed his undergraduate studies at Southern Illinois University Edwardsville, and obtained his Doctor of Medical Dentistry from SIU School of Dental Medicine.

A perfectionist by nature, Dr. Leppo went on to receive additional post graduate training at some of the most renowned American dental and medical educational institutions. He was accepted into Louisiana State University’s externship program where he completed additional dental surgical training. In recognition of his unique skillset and clinical knowledge he was bestowed the honor of Fellowship with the Academy of General Dentistry. He is proud to bring this knowledge and enhanced skills to the Columbia-Waterloo communities.

Many fearful and apprehensive patients are pleased that Dr. Leppo offers both oral and IV conscious sedation allowing for a virtually anxiety-free dental experience. Conscious sedation may be implemented for a variety of dental procedures to allow for the most relaxing trip the dentist. Dental procedures that are traditionally completed across multiple appointments can now be finished in one day. Dr. Leppo completed his advanced sedation training at Seton Hall University’s St. Joseph Hospital where he learned the most advanced sedation techniques. He was awarded the level of Master by the College of Sedation in Dentistry, the highest honor that can be awarded by the American Dental Society of Anesthesiology. In addition to his advanced training in dentistry and anesthesiology, Dr. Leppo is dual certified in both CPR (Cardio Pulmonary Recitation) and ACLS (Advanced Cardio Life Support).

To better support the patients of the Columbia-Waterloo area, Dr. Leppo completed advanced training in dental implants and bone grafting techniques. Dr. Leppo completed the Implant Program at the Medical College of Georgia, one of the most respected and comprehensive training programs for implant dentistry. This training prepared him with the skills necessary to replace missing teeth and even stabilize ill-fitting dentures. As an active member of the American Academy of Implant Dentistry (AAID), Dr. Leppo is committed to maintaining the highest standards in dental implantology.

As an active participant in the dental community and to say thank you and give back to the community that has supported him, Dr. Leppo has participated in the “Give Kids a Smile” program since 2004. This non-profit organization provides underserved children with free comprehensive dental care.

Dr. Leppo is a proud member of the Columbia Chamber of Commerce and Columbia Rotary Club. His dedication to the community is evidenced in his personal commitment to quality care, integrity, and leadership.

Dr. Connolly


Caroline Connolly

"I truly enjoy being a dentist. I enjoy getting to know my patients and creating a caring and professional relationship with them. I want to truly understand their dental needs and exceed their expectations by providing quality dentistry that will help my patients achieve and maintain a healthy, brilliant smile. When patients leave our office, I want them to know that I am a gentle, caring dentist who is always looking out for their dental needs."

Dr. Connolly earned her dental degree at Southern Illinois University School of Dental Medicine in Alton, IL. She completed her undergraduate degree at Bradley University in Peoria, IL. In addition to her formal education, Dr. Connolly is certified to provide Invisalign invisible braces and she has also completed the following:

  • Courses in Aesthetic Continuum
  • Dr. George Bruder's Advanced Endodontic Seminars
  • Invisalign Clear Essentials II

Dr. Connolly continues to seek out advanced education in numerous continuing education courses so that she can provide her patients with the latest advances in dentistry.

"As a dentist, I strive to provide high-quality dental care to the best of my ability. I am committed to staying on the leading edge of new dental technology and techniques to ensure I am doing the best I can for our patients. I want to make sure every patient I see is treated just like family!"

Dr. Connolly resides in Millstadt with her husband, Steve, and their two children.