1. A push-in element for attaching to the posterior portion of the upper base from the side of contact with the tissue to improve retention of the upper prosthesis in the palate. 2. The push-in element according to claim 1, characterized in that it is configured to increase the width of the soft palate between the right and left tubercle of the alveolar process of the upper jaw near the vibrating line. A push-in element according to claim 1, characterized in that it contains two conjugate sections of a conical shape, extending from the base and configured to compress soft tissues over the transverse palatine suture of the palate. A method of manufacturing a prosthesis, including temporarily securing the base on the crest of the patient’s oral cavity, temporarily securing the dental arch containing artificial teeth on the base with light-cured composite material, adjusting the position of the dental arch relative to the base and the size of the patient’s dental system in the patient’s mouth until the desired position is reached and curing with light the composite material in the patient's mouth. 5. The method according to claim 4, characterized in that after reaching the desired position of the upper dental arch relative to the upper base and matching its dimensions with the dimensions of the patient’s dental system, the occlusal surfaces of the lower dental arch are correctly closed with the upper dental arch. The method according to claim 4, characterized in that it includes achieving the desired position and the corresponding dimensions of the lower dental arch relative to the lower base, after which the occlusal surfaces of the upper dental arch are correctly closed with the lower dental arch.1. Вдавливаемый элемент для прикрепления к заднему участку верхнего основания со стороны контакта с тканью для улучшения удерживания верхнего протеза на небе.2. Вдавливаемый элемент по п.1, отличающийся тем, что выполнен с возможностью увеличения ширины мягкого неба между пр
