Koch OrthodonticsLogo Design Contest Logo Design Contest Contests / Koch Orthodontics Koch Orthodontics has selected their winning logo design. For $400 they received 103 designs from 26 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by AHA! Return to Contest Return to Contest Withdrawn New #86 Withdrawn New #35 Withdrawn New #34 Withdrawn New #33 Discussion No comments yet.