CONDITION OF THE ALVEOLAR PROCESS AND PERIOSTA WHEN USED REMOVABLE DENTURES

A direct relationship was found between the duration of use of removable pro-symptoms and signs of chronic inflammation detected both in the epithelium and in the connective tissue. Thus, when using removable dentures in the first 2-3 years, the accumulation of fibroblasts, lymphocytes and macrophages is detected only around the vessels. Later (5-15 years), the number of infiltrates increases, consisting mainly of lymphocytes, neutrophils and plasma cells. Moreover, they are detected not only along the vessels, but also in other areas of the connective tissue. Diffuse round cell infiltration is detected in the proper layer, and focal accumulation of elements in the submucosal layer. Infiltrates are also detected in the epithelial layer. However, the intensity of infiltration decreases in the posterior parts of the palatine fornix. Apparently, a certain role is played here by the dense vascular network, which apparently softens the pressure of the removable denture on the mucous membrane. Therefore, its changes in the posterior third of the hard palate are manifested to a lesser extent than in the anterior.