Dr. Gagni Family Dentistry


When Sigmund Gagni was diagnosed with Hodgkin’s Disease at age 17, his dreams and aspirations were placed on the backburner. He spent two years undergoing radiation and chemo treatments. His positive outlook kept him going and he was declared cancer-free at age 19. He completed his undergrad and enrolled at The Ohio State University School of Dentistry. When he graduated in 1994, Dr. Gagni made the move to Marion and opened his practice without a single patient.

Young Gagni

With a humble beginning, Dr. Gagni devoted himself to the practice. He remembers, “every patient was so valuable to me. I forwarded our office phone to my home phone to make sure I was always available when I was needed.” As the practice grew, Dr. Gagni hired additional hygienists and staff and expanded the facility to provide the best individualized care to his patients.

In 2003, Dr. Gagni experienced a heart attack. At only age 39, doctors discovered the chemo and radiation he underwent in his teens took a toll on his blood vessels. Dr. Gagni remained optimistic as stents were placed to remove the blockage and keep his heart healthy. Doctors gave him a clean bill of health and Dr. Gagni returned to work thinking he was out of the woods. 13 years later, Dr. Gagni’s world was yet again turned upside down. In August of 2016, Dr. Gagni began experiencing heart issues and was informed that he would need open heart surgery. To make matters worse, pre-surgical screening found colon cancer. He underwent open-heart surgery in August and returned to work in September. He saw patients that fall before undergoing surgery to remove the cancer. What the doctors originally thoughtwas going to be a straight-forward procedure turned into a much bigger ordeal as complications arose. He was planning to be back at the office a week after surgery, but wasn’t released from the hospital until a month later. In less than three years, Dr. Gagni underwent five surgeries. How does a dental practice survive when the primary dentist is out for months at a time? Dr. Gagni explains, “my colleagues and friends filled in for me, our team went above and beyond, and the support of our patients and community kept us going. We couldn’t have done it without them.”


Dr. Gagni emphasizes building connections with patients, “We want to give our patients the smile they’ve dreamed of — the smile they deserve. No matter what kind of day they are having or situations they’ve faced in the past, we want the experience to be a good one.” Dr. Gagni knows many patients have had bad experiences at the dentist. He truly understands what it’s like to be a patient on the other side of the chair. Patient Ashley R. sums it up best with her experience, “I have had some horrible experiences at other dentist offices that caused me to have severe anxiety about going in for even the most routine work.

Since I have been going to Dr. Gagni’s office, I feel more at ease. The staff there is very supportive and understanding. The work they do is gentle and effective! I never want to go anywhere else for my oral hygiene needs.” Dr. Gagni is accepting new patients and focusing on providing individualized care to the Marion community. Whether it’s Invisalign treatments, cosmetic dentistry, teeth whitening and microabrasion, or a general check up, Dr. Gagni and the team are providing customized solutions based on patients needs and situations. Call 740-383-2525 to make an appointment today or stop in at 1271 Crescent Heights Road, Suite 206, in Marion.

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