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일부 지역사회 노인의 치주염 심도에 따른 타액 내 치주염 원인균 분포와 연관성 분석
이석민 ( Sukmin Lee ),정윤숙 ( Yun-sook Jung ),송근배 ( Keun-bae Song ),최연희 ( Youn-hee Choi ) 대한예방치과·구강보건학회 2020 大韓口腔保健學會誌 Vol.44 No.4
Objectives: Periodontitis-causing microorganisms and their virulence factors can provoke periodontal destruction in the host. This study was aimed at evaluating the distribution of periodontal disease and its relationship with 11 periodontal disease-causing bacteria in the elderly. Methods: Individuals aged 60 years or above were recruited after obtaining informed consent. The clinical attachment loss was measured at studied sites to determine the severity of periodontitis. Further, the stimulated salivary samples were collected and analyzed with real-time polymerase chain reaction to detect 11 strains of periodontitis-causing bacteria. Results: The severity of periodontal disease was proportional to the amount of periodontal diseasecausing bacteria. Porphyromonas gingivalis in the red complex increased from 6.60±5.50 in stage 1 to 5.36±5.39 in stage 2 and 7.19±5.56 in stage 3 (P =0.003). Tannerella forsythia increased from 6.54±4.60 in stage 1 to 7.44±4.56 in stage 2 and 8.49±4.70 in stage 3 (P =0.007). Conclusions: The presence of complex bacterial groups and their number of strains were high in participants with severe periodontitis. Controlling periodontitis-related bacteria is important for periodontal health in the elderly.
한국에서 새로운 해충 석류가루이, Siphoninus phillyreae (Haliday, 1835) 발견 보고
이흥수,박덕기,이석민,이관석,이종호,홍기정,이원훈,Lee, Heungsu,Park, Deog Kee,Lee, Sukmin,Lee, Gwan-Seok,Lee, Jongho,Hong, Ki-Jeong,Lee, Wonhoon 한국응용곤충학회 2020 한국응용곤충학회지 Vol.59 No.3
2019년 경남 진주시 배나무에서 석류가루이(신칭) Siphoninus phillyreae (Haliday, 1835) 가 발견되었다. 분포조사를 통하여, 부산, 창원, 진주, 광양, 순천, 고흥, 고성에서 발생을 확인하였고, 기주식물로 석류, 배, 모과, 매실, 산사, 비파, 홍가시, 피라칸타, 배롱나무, 꽃사과나무를 확인하였다. 이 해충의 피해 상황과 분류학적 특징을 기재한다. In 2019, the ash whitefly, Siphoninus phillyreae (Haliday, 1835), was firstly found on a pear tree in Jinju-si, Gyeongsangnam-do. From occurrence survey, we confirmed that S. phillyreae was occurred in seven cities, Busan, Changwon, Jinju, Gwangyang, Suncheon, Goheung, and Goseong. In addition, seven plants, such as Punica granatum, Pyrus pyrifolia, Cydonia oblonga, Prunus mume, Crataegus pinnatifida, Eriobotrya japonica, Photinia glabra, Pyracantha angustifolia, Lagerstroemia indica, and Malus prunifolia, were detected as hostplants. In this study, we present the first report of this species in Korea and describe the damage caused by S. phillyrease and its taxonomic information.