PAA is an association that was established to spread and develop knowledge in the field of modern digital orthodontics – overlay orthodontic treatment. Orthodontists, long-time specialists, clinicians and lecturers were involved in the formation of PAA. These are the seven individuals in the board of directors and the audit committee. One more person on the list and we will hit the number of one hundred members. This makes us a group that, by supporting its members, enables to obtain a solid dose of practical and theoretical knowledge as well as strengthens the position of the dentist in the world of modern technology.