Abstract
The aim is to study the dynamics of lipid peroxidation and antioxidant protection in the blood of patients with generalized periodontitis accompanied by normo-, hyper- and hyporeactivity of the body after patch surgery. Materials and methods: 216 people aged 45 between 55 years with a diagnosis of generalized periodontitis of II, III degree of severity, chronic course were examined. Depending on the condition of reactivity of the organism, patients were divided into three groups: the first consisted of people with normoreaction; the second included patients with hyperreaction; the third group was made up by people with hyporeaction. Patients after initial therapy, underwent patch surgery. Blood sampling was performed after surgery on the 1st, 2nd, 4th, 6th and 9th day. The content of diene conjugates, malonic dialdehyde and peroxide hemolysis of erythrocytes, superoxide dismutase activity, catalase, and total antioxidant activity was determined by the biochemical method. Results: Normoreaction was characterized by two-phase moderate activation of lipid peroxidation with maxima on the 1st and 6th day against the normalization of the balance of oxidative systems by the end of observations. For hyperreaction pronounced activation of lipid peroxidation (significant increase in the content of diene conjugates and malonic dialdehyde with a maximum on the 1st day) accompanied by depletion of antioxidant protection activity was typical. Hyporeaction was characterized by slow activation of lipid peroxidation (increase in diene conjugates and malonic dialdehyde with a maximum on the 4th day) accompanied by insufficient activity of antioxidant protection. Conclusion: Correction of altered parameters in patients with generalized periodontitis accompanied by impaired (hyper- and hypo-) reactivity of the body with bringing them to values of normoreactivity is considered to be a condition for optimizing mucosal wound healing after surgery and further stabilization of the periodontal tissues.
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