Objective: The aim of the study was to evaluate the content of the vitamin D metabolite (25(OH)D) in the blood serum, the level of some indicators of the immune and peroxidic status in the oral fluid in people with carious processes of different intensities while taking the native solution of vitamin D (international non-proprietary name Cholecalciferol).
Material And Methods: The study included 47 people aged 20 to 22 with caries and low levels of 25(OH)D3 in blood serum. The control group consisted of 13 people with DMFT index of 0.00 [0.00; 0.00] and a normal serum content of 25(OH)D3. The amount of antimicrobial peptide cathelicidin LL-37, secretory immunoglobulin A, lipopolysaccharide binding protein (LBP) was determined in the oral fluid using ELISA reagent kits, and the content of intermediate lipid peroxidation products such as malondialdehyde (TBA-active products) and the level of total antioxidant activity were spectrophotometrically evaluated.
Results: Reduced serum concentrations of 25(OH)D3 were recorded predominantly in individuals with a DMFT index of more than 9.0. In patients with caries, at a concentration of 25(OH)D3 in blood serum below 30 ng/ml, a decrease in the values of secretory immunoglobulin A, lipopolysaccharide-binding protein, cathelicidin, and the level of total antioxidant activity was observed, accompanied by an increase in the number of intermediate products of lyoperoxidation in the oral fluid. The course intake of the native AquaDtrim vitamin D solution (Cholecalciferol) led to normalization of the values of certain immune and biochemical parameters (cathelicidin LL-37, secretory immunoglobulin A, LBP of the oral fluid) and restoration of balance in the system «lipid peroxidation - antioxidants».
Conclusion: The results indicate the advisability of assessing the level of 25(OH)D in the body for the diagnosis of pathological processes in the oral cavity and the use of vitamin D preparations in the prevention and complex therapy of carious process.
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