The dynamics of the state of done tissue of the alveolar process of the upper jaw when using a complete removable plate prosthesis

Abstract

Objective. Improving the assessment of the state of the bone tissue of the alveolar process of the toothless upper jaw, by calculating the level of its atrophy according to the diagnostic model of the jaw. Material and methods. The study of patients was carried out: anamnesis of the disease, examination of the oral cavity, analysis of diagnostic plaster models of the upper jaw according to the method we proposed. In accordance with the classification of the Shreder, groups were formed: the first is the 1st type of Shreder (n=24); the second is the 2nd type of Shreder (n=23); the third is the 3rd type of Shreder (n=19). Results. In some areas of the alveolar process of the toothless upper jaw, atrophy reaches vertical values at points A1-D: 0.71±0.20 mm (group 1), 0.57±0.19 mm (group 2), 0.19±0.26 mm (group 3), sagitally A1-A2: 4.72±0.28 mm (group 1), 4.48± 0.30 mm (group 2), 3.85±0.32 mm (group 3); transversal – K1-K2: 3.22±0.29 mm (group 1), 3.67±0.32 mm (group 2), 3.37±0.47 mm (group 3) and more intensive in the first year of operation the prosthesis. Conclusion. Thus, the proposed diagnostic method makes it possible to determine the uneven level of bone loss in various areas of the alveolar process of the upper jaw. The data obtained are taken into account to minimize the negative consequences of the transfer of masticatory pressure from the basis of the prosthesis when planning orthopedic treatment of patients with this pathology.