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Article

Microbiological and biochemical characteristics of inflammatory tissues in the periodontium

by
Algimantas Šurna
1,*,
Jurgina Sakalauskienė
1,
Astra Vitkauskienė
2 and
Viktoras Šaferis
3
1
Department of Prosthodontics
2
Department of Pulmonology and Immunology
3
Department of Physics, Mathematics and Biophysics, Kaunas University of Medicine, Lithuania
*
Author to whom correspondence should be addressed.
Medicina 2008, 44(3), 201; https://doi.org/10.3390/medicina44030026
Submission received: 7 November 2007 / Accepted: 5 March 2008 / Published: 10 March 2008

Abstract

Objective. To investigate bacterial populations in subgingival and supragingival plaque samples of patients with inflammatory periodontal diseases and activities of the lysosomal enzymes – lysozyme, alkaline phosphatase, and b-glucuronidase – in peripheral venous blood, in gingival crevicular fluid, and mixed nonstimulated saliva.
Methods and materials.
The study included 60 patients with inflammatory periodontal diseases without any internal pathology and 24 periodontally healthy subjects. Molecular genetic assay (Micro-IDent plus, Germany) for complex identification of additional six periodontopathic bacteria was applied. The activity of lysozyme was determined turbidimetrically, the activity of alkaline phosphatase – spectrophotometrically with a “Monarch” biochemical analyzer, the activity b-glucuronidase – according to the method described by Mead et al. and modified by Strachunskii.
Results
. A statistically significant association between clinical and bacteriological data was found in the following cases: gingival bleeding in the presence of Eubacterium nodatum, Eikenella corrodens, Capnocytophaga spp. (P<0.01); pathological periodontal pockets in the presence of Peptostreptococcus micros (α≤0.05 and β≤0.2), Fusobacterium nucleatum (α≤0.05 and β≤0.2), Campylobacter rectus (α≤0.05 and β≤0.2), and Capnocytophaga spp. (P<0.05); and satisfactory oral hygiene in the presence of all microorganisms investigated (P<0.05). The activity of lysozyme in gingival crevicular fluid and mixed nonstimulated saliva indicates the severity of periodontal inflammation. Based on clinical data, in assessing the amount of lysozyme in mixed nonstimulated saliva, sensitivity and specificity of 100% was found. Increased activities of lysozyme, alkaline phosphatase, and b-glucuronidase were found in peripheral venous blood of patients with inflammatory periodontal disease as compared to control group.
Conclusions.
The main principles of the treatment of periodontal inflammatory diseases should be based on microorganism elimination, creation of individual treatment means affecting microflora in the mouth and immune system of macroorganisms.
Keywords: periodontopathic bacteria; lysozyme; β-glucuronidase; alkaline phosphatase periodontopathic bacteria; lysozyme; β-glucuronidase; alkaline phosphatase

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MDPI and ACS Style

Šurna, A.; Sakalauskienė, J.; Vitkauskienė, A.; Šaferis, V. Microbiological and biochemical characteristics of inflammatory tissues in the periodontium. Medicina 2008, 44, 201. https://doi.org/10.3390/medicina44030026

AMA Style

Šurna A, Sakalauskienė J, Vitkauskienė A, Šaferis V. Microbiological and biochemical characteristics of inflammatory tissues in the periodontium. Medicina. 2008; 44(3):201. https://doi.org/10.3390/medicina44030026

Chicago/Turabian Style

Šurna, Algimantas, Jurgina Sakalauskienė, Astra Vitkauskienė, and Viktoras Šaferis. 2008. "Microbiological and biochemical characteristics of inflammatory tissues in the periodontium" Medicina 44, no. 3: 201. https://doi.org/10.3390/medicina44030026

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