Abstract
The aim of the sthudy. To study the influence of general and local factors on the regenerative potential of bone tissue to optimize augmentation mechanisms in the treatment of jaw atrophy. The influence of general and local factors on the regenerative potential of the bone during the augmentation operation of the alveolar process (part) of the jaw in 68 patients was studied. The survival rate of dental implants and the incidence of complications after completion of dental rehabilitation in the long-term follow-up period (more than 5 years) were evaluated. 18 indicators were studied, which were evaluated by qualitative and quantitative methods. The study of the effect of indicators on regeneration was carried out using an accurate Fischer test for conjugacy tables. The assessment of the strength of the influence was calculated as the ratio of the chances of developing an unfavorable outcome of bone grafting and dental implantation. He highest chances of developing adverse outcomes were found in smoking patients with diabetes mellitus, high body mass index, low survival of bone walls, severe bone atrophy (5.6 and higher class according to Cawood & Howell), three-dimensional bone defect, in the absence of 3 or more bone walls, the presence of subcompensated and decompensated psychological state the patient. In the course of histological examination, the influence of these factors on the mechanisms of reparative osteogenesis morphologically manifested a lower degree of progress of regenerative processes and a lower degree of maturity of bone tissue. To reduce the chances of developing an unfavorable outcome, in the presence of negative general and local factors, it is not advisable to use dental implantation simultaneously with bone augmentation procedures. In order to reduce the pathophysiological impact of negative factors during sinus lifting, increase the proportion of autosteal material for potentiating the metabolic activity of bone tissue, as well as prescribe antioxidant, antihypoxant and membrane stabilizing therapy before surgery and in the early postoperative period.
Published Version
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