This monograph is intended for dentists, orthodontists, master's degree and clinical residency students studying orthodontics. The monograph describes the methods and results of diagnosis and treatment of distal bite in children during the period of exchange pricus. Also, modern diagnostic methods and statistical analysis of distal pricus are highlighted, and a comparative analysis of plates and modern myobrais caps calculated from previous methods of treatment is evaluated, a method for preventing the origin of distal pricus and predicting risk factors is proposed, the manifestation of distal pricus is early It is recommended to develop and improve the algorithm for checking and diagnosis.