Orthodontia - is a department of stomatology engaged in correction of teeth bite anomalies, tooth position, teeth arch shapes, face proportion and prophylaxis of these anomalies. Any orthodontic pathology is connected with serious problems. The most visible is the aesthetic one. Besides the aesthetic side of orthodontic pathology, the other one is more important – invisible problem, health protection, chewing function normalization. Bite anomalies does't allow to chew the food properly, ensure full hygiene, which brings to a load masticatory apparatus, periodontitis, and digestive system diseases. The main orthodentic devices are demountable plates and briquette – systems. These constructions ensure the full correction of teeth row.