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J Bacteriol Virol. 2009 Dec;39(4):277-285. English. Original Article. https://doi.org/10.4167/jbv.2009.39.4.277
Kang MS , Oh JS , Kim HJ , Kim HN , Lee IK , Choi HR , Kim OJ , Ko YJ , Lim WB , Park HJ , Yu MG , Chung KY , Kim SM , Lim HS .
Department of Microbiology, School of Medicine, Chonnam National University, Gwangju, Korea.
Genome Research Center for Hematopoietic Diseases, Chonnam National University Hwasun Hospital, Hwasun, Korea.
Department of Hematology/Oncology, Chonnam National University Hwasun Hospital, Hwasun, Korea.
Brain Korea 21 Program, Chonnam National University, Gwangju, Korea.
Dental Science Research Institute, Chonnam National University, Gwangju, Korea. hs1964@chonnam.ac.kr
Department of Dental Education, Chonnam National University, Gwangju, Korea.
Abstract

This study examined the prevalence of oral microbes in the saliva of oncological patients and healthy subjects. PCR was used to assess the frequency of oral microbes including 3 cariogenic bacteria, 5 periodontopathic bacteria and 4 Candida species in the saliva of 104 oncological patients and 52 healthy subjects. Among these microorganims, Streptococcus mutans, Fusobacterium nucleatum and Candida albicans were most frequently detected in both groups. There were no significant differences in the prevalence of cariogenic bacteria between the patient and healthy groups, whereas significant differences in the frequency of Porphyromonas gingivalis and Tannerella forsythia were observed between the two groups (p < 0.05). The prevalence of all five periodontopathogens was higher in the healthy group than in the patient group. The prevalence of C. albicans in patients was significantly higher than that of healthy group (p < 0.05). In conclusion, there were significant differences in the prevalence of P. gingivalis, T. forsythia and C. albicans between the oncological patient group and healthy group.

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