Specialty Dr. Jacqueline Demko is an orthodontist in Chesterfield, Washington and St. Charles, Missouri, that specializes in providing quality orthodontic and dentofacial orthopedics for children and adults. History Demko Orthodontics began in 1975 with Dr. Richard Demko in Washington Missouri and after running his practice solo for nearly 30 years, Dr. Jacqueline Demko joined the practice in 2000. Dr. Jackie has continued the growth of the business and now Demko Orthodontics specializes in orthodontics and dentofacial orthopedics for children and adults in Chesterfield, Saint Charles, and the original Washington Missouri location. BIO Dr. Jacqueline A. Demko is also a native of St. Louis. She attended Ascension Grammar School and St. Joseph's Academy High School. Dr. Jackie received her B.S. from St. Mary's College, her D.D.S. from the University of Missouri, Kansas City, and her M.S.D. in Orthodontics from St. Louis University. Her research in facial attractiveness has been published. She lectures and gives seminars for her profession. Dr. Jackie is also on staff at St. Luke's Hospital. She is a member of the American Dental Association, the World Federation of Orthodontists, the Missouri State Dental Society, the Greater St. Louis Dental Society, the American Association of Orthodontists, and the St. Louis Research and Education Foundation.