Ninety-five patients with periodontitis of slight and medium severity were examined, 21 of them without concomitant diseases, 44 with essential hypertension, and 30 with diabetes mellitus. Besides clinical signs of periodontal abnormalities, the examinations revealed using phase-contrast microscopy four groups of microorganisms in the periodontal pouch contents: cocci, immovable and movable bacilli, and tortuous forms. Multidimensional analysis of clinico-laboratory data revealed a relationship between the counts of some microorganisms and severity of periodontal pathology.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/8236288