Objective: To determine the changes that occur in periodontal tissues, prosthetic bed and oral mucosa before and after orthopedic treatment when using metal-free ceramic prostheses.

Methods: During the study, general clinical, laboratory, biochemical, functional, instrumental and statistical methods were used. The object of the study was 185 patients with partial edentia aged 25-60 years were selected, 95 of whom were men and 90 were women, and the control group consisted of 20 healthy people.

Results: The wear of non-removable prostheses during wearing is manifested in the following pathological changes in the condition of the prostheses and the tissues of the prosthetic bed. Stamped and stamped welded prostheses with and without ZDP TT have a number of technological shortcomings, which are manifested during wearing.

Conclusions: Dentures lead to a change in the acid-base balance of oral fluid, complete cast dentures without a protective and decorative coating have the least effect on it ((pH 7.2±0.03, from 12 months after denture insertion to the end of the study), metal-ceramic dentures have a small effect (pH 7.39±0.02 from 12 months after denture insertion to the end of the study).  

Orthopedic, prosthetic construction, ceramics

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