AbstractThe objective of the research was to increase the prevention efficiency of the secondary dentoalveolar deformations based on the characteristics of their pathogenesis and clinical course. Materials and methods. The results of clinical examination of 120 patients of different age groups (from 30 to 59 years) concerning the characteristics of the types of the secondary dentition deformities are presented in the article. Results. Objective study showed a high degree of deformation development, which arose in half of the cases in patients with existing denture defects. Some factors that influence the type of the secondary deformities and the direction of their development were established. They were the effect of the lost tooth on effective transmission of chewing pressure through the maxillary counterforts (the direction of tooth displacement in case of the secondary deformity was directly opposite to direction of counterforts) and trophic level of the teeth that were deformable or surrounded the area of displacement (displacement of devitalized teeth occurred 30% more often than displacement of teeth that were innervated and supplied with blood). Radiological diagnosis made it possible to evaluate periodontal changes in case of the secondary deformities, which were characterized by changes in fibers tension of the tooth attachment apparatus. Conclusions. The obtained results made it possible to prevent any deformity using the early prosthetic repair.Keywords: orthopedic treatment, dentition deformation, periodontium
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