MICROBIAL ASSOCIATIONS IN PERIODONTITIS SITES BEFORE AND AFTER TREATMENT

被引:23
作者
WIKSTROM, M
RENVERT, S
JOHNSSON, T
DAHLEN, G
机构
[1] GOTHENBURG UNIV,FAC ODONTOL,DEPT ORAL MICROBIOL,GULDHEDSGATAN 10,S-41346 GOTHENBURG,SWEDEN
[2] GOTHENBURG UNIV,DEPT STAT,S-41346 GOTHENBURG,SWEDEN
[3] PUBL DENT HLTH SERV,DEPT PERIODONTOL,KRISTIANSTAD,SWEDEN
来源
ORAL MICROBIOLOGY AND IMMUNOLOGY | 1993年 / 8卷 / 04期
关键词
MICROBIOLOGICAL ASSOCIATION; PERIODONTAL PATHOGEN; PLAQUE ECOLOGY; PERIODONTAL TREATMENT;
D O I
10.1111/j.1399-302X.1993.tb00562.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Duplicate samples from 110 periodontal sites of 6 mm or more pocket depth in 16 patients were analyzed for the presence of Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Capnocytophaga spp., Campylobacter rectus, Eikenella corrodens and Fusobacterium nucleatum. The sites were sampled before and after nonsurgical periodontal treatment. No statistically significant associations were found before treatment between any of the analyzed species. After treatment, statistically significant associations were found between E. corrodens and all the other species, E. nucleatum and P. intermedia; Capnocytophaga spp. and C. rectus; P. intermedia vs Capnocytophaga spp. and P. gingivalis; and C. rectus vs Capnocytophaga spp. and A. actinomycetemcomitans. Some of these associations could be explained either by patient-related factors or site-related characteristics such as the pocket depth. The proportion of P. gingivalis seemed to be unrelated to the proportion of P. intermedia in the samples. If one of the analyzed microbes was found in one of the sampled pockets in a patient, the probability of finding that microbe in all the sampled sites in the same patient before treatment was more than 50%. This probability was reduced after treatment for many species, especially P. gingivalis, which showed a probability of zero. The probability of detecting a bacterial species on at least one additional site if it was present on one in the same individual was nearly 100%, both before and after treatment, for all species studied. This study has shown several potential microbial associations in the subgingival plaque flora of deep periodontal pockets. Local factors of the periodontal pocket and factors related to the individual may mask the biological significance of these microbial interactions.
引用
收藏
页码:213 / 218
页数:6
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