Zach Frazier Orthodontics is Downers Grove's hometown orthodontist office specializing in braces and Invisalign for kids, teens, and adults. As a lifetime resident of Downers Grove, Dr. Zach takes pride in not only creating the best smiles around, but also in creating a unique connection with his surrounding community. ZFO is a huge proponent of the local schools and gives back over $10,000 every year to PTAs, sports teams, and clubs. Check us out - see what everyone is smiling about ; )