Meet Our Expert Team

Born and raised in Waterloo, Iowa, Dr. Spragg graduated from the University Of Iowa College Of Dentistry in 1995. He has lived in Naperville since 1995. He and his wife have three sons; two in college and one in high school. Dr. Spragg has particular interest in Cosmetic Dentistry with an emphasis on creating beautiful smiles. He has attended many continuing education courses on esthetics, implant restoration and the latest, proven dental materials. Outside of dentistry, Dr. Spragg loves to spend time with his family and traveling around the Midwest. He enjoys gardening and is always looking for tips to a better garden.

Born in Italy and fluent in Italian, Dr. Maria DeFilippis moved to the United States as a child and later attended Northwestern University Dental School in Chicago. She was raised in Highland Park, Illinois and practiced dentistry in downtown Chicago, later relocating to Naperville. She has been here now for over 25 years. Dr. DeFilippis has four daughters. Her oldest daughter is now a physician. Her three other daughters live and work in their respective fields in the city of Chicago. Dr. DeFilippis also enjoys cooking authentic Italian cuisine, music gardening and visiting her family in Italy.