The thesis summarizes the results of clinical and anthropometric and radiological studies and proposed a new solution of a scientific problem - improving the efficiency of orthodontic treatment in the complex rehabilitation of patients with congenital lateral edentulous maxillary incisors with developed diagnostic and therapeutic algorithm. Clinical examination of 97 patients with congenital edentulous upper lateral incisors revealed bilateral absence of 75.2 %, and one-sided - in 24.8 % of patients. Class I occlusal relationships by Engle was observed in 49,5 %, II class y 23,7 %, III class - in 26.8 % of patients. In 45.4 % of the persons found normal vertical overlap, open bite and deep overlap in the frontal area - at 24.8 % and 29.8 %, respectively. Most expressed the inadequacy of the width and length of the front of the upper dental arch was observed in the patients of group 3, and insignificant differences - the first group of patients in the I-st class in Engle. In 43.8 % of patients in Group 1 corresponds to the ratio of the apical bases were within the normal range (8,01 ± 0,7 mm). In the 2nd group were determined normal (close to the upper boundary) and above normal ratios, and in the third - from 61.5 % of individuals - less than normal (1,12 ± 0,27 mm) and 38.5 % - within the lower limit of normal (3,17 ± 0,58 mm). Rentenologichne study showed a significant deviation angles of the central incisors and canines to the median line and the width of edentulous area for persons 2nd and 3rd groups (4,05 ± 0,44 mm and 2,21 ± 0,4 mm to 5, 56 ± 0,31 mm - for those of the first group at the level of the alveolar ridge) (p =< 0,05). In patients with class II and III by Engle observed marked changes in indicators of inclination angles of the upper and lower incisors and inter incisial angle (Upper Inc. / NA - 9,7 ± 2,7 and 26,6 ± 1 5; Lower Inc. / NВ - 10,2 ± 2,0 and 8,9 ± 3,2, ii angle - 174,7 ± 4,1 and 140,7 ± 3,3). Moving side group dental procedure opening period in the 1st and 3rd groups occurred during the period of 12-15 months, 15-18 months - from 63.0 % 1 and 50.0 % -3 and the second group, and a period of 18 months - the remaining persons. When using the method of closing the treatment time period of 12-15 months identified in 33.3 % of individuals 1 and 30.4 % - Group 2, 15-18 months - from 47.6 % and 47.8 %, respectively, more than 18 months - at other people. Dynamics of changes in anthropometric parameters correlated with the timing of moving teeth and point to more effective treatment of persons who are non-removable orthodontic appliances were used, which is confirmed by X-ray and TRH studies, namely the normalization of angles of inclination of the central incisors and canines to the midline, at the opening area of the defect - wide enough for further rehabilitation of patients, normalization of angles and inclination inter incisial angle.
