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http://dx.doi.org/10.15205/kschs.2020.12.31.1436

Differences in the expression rate and genotype of Porphyromonas gingivalis according to smoking status  

Kim, Jin-Kyoung (Department of Dental Hygiene, Daegu Health College)
Publication Information
Journal of Korean Clinical Health Science / v.8, no.2, 2020 , pp. 1436-1443 More about this Journal
Abstract
Purpose: The purpose of this study was to differences in the expression rate of Porphyromonas gingivalis according to smoking status, smoking amount and period of smoking. Methods: At the time of investigation, 30 smokers and non-smokers were recruited among patients with periodontitis with a probing pocket depth(PPD) of 4 mm or more. General information was collected using a self-questionnaire, and the average value was used by a dentist to measure the probing pocket depth of three times each for the first or second molar. Plaque collection and analysis were performed by collecting only subgingival plaque using a conventional method, and the expression rate of P. gingivalis was confirmed using polymerase chain reaction (PCR). For statistical analysis, the SPSS Ver 25.0 program was used. Results: Smoking did not have a significant effect on the expression of P. gingivalis, but it did affect the expression of more type II genotypes (p<0.05). In addition, smokers had more slight periodontal pocket, and the amount and duration of smoking did not affect the expression of P. gingivalis. Conclusions: In the future, it is necessary to reinforce the group of smokers and non-smokers with healthy oral conditions, and to investigate the quantitative difference in the expression rate and genotype of P. gingivalis over time of harmful substances in smoking.
Keywords
Expression rate; Genotype; Porphyromonas gingivalis; Smoking status;
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