NEUTROPHIL ACTIVITIES IN ADOLESCENTS WITH TYPE I DIABETES MELLITUS DEPENDING ON PERIODONTAL STATE

The aim: To estimate the neutrophil activities in adolescents with type 1 diabetes mellitus (T1DM) depending on periodontal state.Materials and methods: A total of 93 individuals aged 12-16 years, including 62 T1DM patients and 31 healthy (H) controls, were included. Both groups were categorized into subgroups depending on their periodontal state. Phagocytic activity of neutrophils (PAN) the index of neutrophil activation (INA), and the percent of formazan-active neutrophils were evaluated using the spontaneous and the induced nitroblue tetrazolium (sNBT and iNBT) tests into oral rinses.Results: PAN was significantly higher in the healthy (H) controls with gingivitis compared with the individuals with gingival health (p < 0.0001). This parameter decreased significantly in the T1DM subjects, especially with periodontitis, compared with the H controls (p < 0.0001). The percent of formazan-active neutrophils and INA in the sNBT test increased in the T1DM patients with gingival health and continued to raise as periodontal state of adolescents with T1DM worsened (p<0.0001). The parameters of the iNBT test in the T1DM adolescents decreased with the periodontal disease development (p < 0.0001) that may demonstrate that superoxide production exhausts in diabetes, especially associated with periodontal disease.Conclusions: The sNBT test in studied adolescents showed that both periodontal disease and T1DM increase the rate of activated neutrophils (p<0,05).