North Mississippi Orthodontic Associates became Tupelos first orthodontic practice in 1959. Founded by Dr. Fayette Williams, it was grounded in a philosophy of community outreach. Since 1978, Dr. Dickey has been a member of the practice, followed by Dr. Holman in 1995. Dr. Danny Dickey and Dr. Kevin Holman have over 55 years of combined orthodontic experience.. Orthodontics,Dentists,Braces,Invisalign,Surgical Orthodontic Treatment.