In the world, oral breathing in children is based on the ratio of the inclination of the nasal barrier, changes in the shape and size of the hard palate, malocclusion and posterior part of the facial bone as a result of growth. According to statistics, a significant increase in the height and weight of children 3-10 years after the restoration of breathing through the nose is considered as an effect of an increase factor similar to the action of insulin at the present stage. Dental studies conducted by foreign scientists show that the proportion of children suffering from maxillofacial anomalies is 75% and tends to increase.