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本文对38例不同临床诊断的四组受检者龈下菌丛的暗视野显微镜观察表明,病变部位龈下螺旋体及能动菌数高于健康牙周。健康牙周龈下螺旋体为3.4％。健康与病变处各类菌分布的变异较大,提示单独作为牙周健康与否的诊断指标不准确。相关分析表明螺旋体数与临床指数值间呈正相关,球菌与BI、PD间呈负相关;袋深相同而病变性质不同的龈下螺旋体分布并无显著差异。
In this paper, 38 cases of different clinical diagnosis of four sub-groups of subjects with dark-field microscopy of field observation showed that lesions at subgingival spirochetes and the number of bacteria is higher than healthy periodontal. Healthy periodontal subgingival spiral was 3.4%. The distribution of various types of bacteria in health and pathological changes is quite large, suggesting that the diagnosis index alone as periodontal health is not accurate. Correlation analysis showed that there was a positive correlation between the number of spirochetes and clinical index, and there was a negative correlation between cocci and BI and PD. There was no significant difference in the distribution of subgingival spirochaetes with the same bag depth and different pathological features.