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박영인,김진욱,최소영,김진수,Park, Young-In,Kim, Jin-Wook,Choi, So-Young,Kim, Chin-Soo 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.6
We investigated 52 cases of 42 patients who were diagnosed as odontogenic keratocyst in the department of Oral and maxillofacial Surgery of Kyungpook National University from 2006 to 2008, and following results were obtained. 1. Among 52 cases of OKCs, all cases were parakeratinzied. 2. Among 52 cases of OKCs, 42 cases were type I, 9 cases were type II and 1 case was type V. 3. Among 52 cases of OKCs, there were bud-like proliferation of basal cell layer on connective tissue area on 10 cases, satellite cysts on overlying oral mucosa or connective tissue area on 6 cases and rests of epithelium on connective tissue area on 6 cases. 4. Among 52 cases of OKCs, there were focal inflammation on the epithelium of the OKCs on 6 cases and diffuse inflammation on 8 cases. 5. Among 52 cases of OKCs, cytokeratin-10 was expressioned on superficial and intermediate layer on all cases. Accordingly, the presence or absence of cytokeration-10 on the epithelium of the cyst will be good differential diagnosis of between OKC and dentigerous cyst.
복합미생물발효 제제식품이 인체건강 및 장내미생물균총에 미치는 영향
박영인 ( Young-in Park ),알핀엠마뉴엘 ( Aalfin Emmanuel ),심혜경 ( Hye Gyeong Sim ),고성철 ( Sung-cheol Koh ) 한국미용학회 2020 한국미용학회지 Vol.26 No.5
The purpose of this study was to investigate the effects of “H” fermented food product of Bayo Co., Ltd., on human health and intestinal microflora, and their relationships. Waist size was measured for the 90 applicants from Seongsangu, Changwon before and after taking the “H” product for 15 days. They were also surveyed to identify the demographic, physical and personal characteristics, and health characteristics. Microbial community structures were analyzed by a pyrosequencing method for the stools collected for some representative applicants. The greatest waist size reduction of 3.3 cm observed in the 40s. Overall satisfaction for the formula food was above average. Especially relief of atopy symptoms was highest in the 20s, constipation relief in the 40s, and digestion promotion in the 60s. In addition, the beneficial enteric bacteria (Faecalibacterium sp., Bifidobacterium sp. and Alistipes sp.) appeared to increase overall after the ingestion by all these ages. The microbial community structure of the 60s was significantly different from those of the 20s and 40s. Ingestion of this fermented food appeared to cause beneficial microbial community structures that could maintain a good intestinal health. Development of various intestinal health indicators based on this study will greatly contribute to the development and utilization of customized functional fermented foods.
제3대구치와 하악관과의 위치 관계에서 치과용 Cone beam CT의 유용성
추연규,박영인,김진욱,이상한,Chu, Yeon-Gyu,Park, Young-In,Kim, Jin-Wook,Lee, Sang-Han 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.6
We sought to evaluate the relationship between the mandibular canal and impacted mandibular third molars by using dental cone beam computed tomograph(CBCT) for third molar surgery. A total of 111 patients(177 teeth) offered the images through CBCT and panoramic radiography for the extraction of the mandibular third molars. In CBCT, the accurate relationship between the third molar and the mandibular canal were evaluated. In panoramic radiographies, we evaluated the impacted level and superimposition sign of the mandibular third molar with the mandibular canal, and also, the radiopacity of the white line in the canal. Data were statistically analyzed and estimated by $X^2$-test. In CBCT finding, high prevalence of contact between the mandibular canal and roots occured in the deep impacted third molars, narrowing mandibular canals, bending mandibular canals and cases where the radiopacity of white line of canals were "absence" on panoramic images. It showed statistical significance (P<0.05). When evaluating the mandibular canal and the roots through the panoramic radiography for third molar extraction, it could be difficult to diagnosis accurately. Thus, it is required to have an accurate diagnostic approach through CBCT that could evaluated the location between mandibular canal and root.
유장연,김인수,김수현,칼루 엑페게어,장재수,박영인,고성철,Yoo, Jangyeon,Kim, In-Soo,Kim, Soo-Hyeon,Ekpeghere, Kalu I.,Chang, Jae-Soo,Park, Young-In,Koh, Sung-Cheol The Microbiological Society of Korea 2017 미생물학회지 Vol.53 No.2
부산시 영도구의 혁신지구의 인공해수천은 높아진 하상과 조류의 특성으로 인해 물이 순환되지 않고 더구나 주위의 오수가 유입되고 있어서 수질이 나빠지고 악취를 발생하고 있다. 이 문제를 해결하기 위한 방안으로 가장 오염되고 조류이동을 감안한 하천의 지점에 생물증강법을 적용하여 친환경적, 효율적으로 하천을 정화하고자 하였다. 현장에서 활성화된 복합미생물을 가장 오염된 지점(Site 2)에 7~10일 간격으로 투입하여, 수질의 pH, 온도, DO, ORP, SS, COD, T-N, 및 T-P를 측정하였고 또한 하상퇴적토의 COD 및 미생물군집을 분석하였다. 13개월 후 Site 2의 수질 SS, COD, T-N 및 COD (퇴적토)의 처리효율은 각각 51%, 58%, 27% 및 35%으로 나타났으나 T-P는 오히려 47% 증가를 보였다. 대부분의 측정지점에서 황산염환원세균(sulfate reducing bacteria)그룹 (Desulfobacteraceae_uc_s, Desulfobacterales_uc_s, Desulfuromonadaceae_uc_s, Desulfuromonas_g1_uc and Desulfobacter postgatei)과 Anaerolinaeles의 밀도는 대체적으로 생물증강에 의한 정화가 진행될수록 감소하였으며, 반면에 Gamma-proteobacteria (NOR5-6B_s and NOR5-6A_s), Bacteroidales_uc_s, 및 Flavobacteriales_uc_s의 밀도는 증가하는 경향이었다. 상대적으로 COD가 낮고 DO가 높은 청정지점인 St. 4에서는 호기성미생물인 Flavobacteriaceae_uc_s가 우점하였다. 이러한 미생물군은 하천의 정화과정을 추적할 수 있는 지표미생물로 활용될 수 있을 것으로 판단되었다. 생물증강 시행 후의 대표적 시점 퇴적토시료의 미생물군집 alpha diversity 지수(OTUs, Chao1 및 Shannon 지수)는 시행 전에 비해 감소하는 경향을 보였으며, 또한 beta diversity 분석기법(fast unifrac 분석)으로 분석한 결과 정화 전이나 초기에 비해서 정화가 진행될수록 전반적으로 시료에 무관하게 미생물군집의 유사성을 보여 생물증강이 현장 토착 미생물의 군집구조를 변화시키고 있음을 확인하였다. 이러한 사실로 보아 본 복합미생물에 의한 현장 생물증강법은 brine water 및 담수로 이루어진 오염된 하천을 환경친화적, 경제적으로 정화할 수 있는 대안으로 판단이 되었다. A constructed sea stream in Yeongdo, Busan, Republic of Korea is mostly static due to the lifted stream bed and tidal characters, and receives domestic wastewater nearby, causing a consistent odor production and water quality degradation. Bioaugmentation of a microbial consortium was proposed as an effective and economical restoration technology to restore the polluted stream. The microbial consortium activated on site was augmented on a periodic basis (7~10 days) into the most polluted site (Site 2) which was chosen considering the pollution level and tidal movement. Physicochemical parameters of water qualities were monitored including pH, temperature, DO, ORP, SS, COD, T-N, and T-P. COD and microbial community analyses of the sediments were also performed. A significant reduction in SS, COD, T-N, and COD (sediment) at Site 2 occurred showing their removal rates 51%, 58% and 27% and 35%, respectively, in 13 months while T-P increased by 47%. In most of the test sites, population densities of sulfate reducing bacterial (SRB) groups (Desulfobacteraceae_uc_s, Desulfobacterales_uc_s, Desulfuromonadaceae_uc_s, Desulfuromonas_g1_uc, and Desulfobacter postgatei) and Anaerolinaeles was observed to generally decrease after the bioaugmentation while those of Gamma-proteobacteria (NOR5-6B_s and NOR5-6A_s), Bacteroidales_uc_s, and Flavobacteriales_uc_s appeared to generally increase. Aerobic microbial communities (Flavobacteriaceae_uc_s) were dominant in St. 4 that showed the highest level of DO and least level of COD. These microbial communities could be used as an indicator organism to monitor the restoration process. The alpha diversity indices (OTUs, Chao1, and Shannon) of microbial communities generally decreased after the augmentation. Fast uniFrac analysis of all the samples of different sites and dates showed that there was a similarity in the microbial community structures regardless of samples as the augmentation advanced in comparison with before- and early bioaugmentation event, indicating occurrence of changing of the indigenous microbial community structures. It was concluded that the bioaugmentation could improve the polluted water quality and simultaneously change the microbial community structures via their niche changes. This in situ remediation technology will contribute to an eco-friendly and economically cleaning up of polluted streams of brine water and freshwater.