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서혜미,이정원,안선희,송우섭,Ling Li,이용무,설양조,구기태 대한치주과학회 2023 Journal of Periodontal & Implant Science Vol.53 No.2
Purpose: We investigated whether repeated irradiation with light-emitting diodes (LEDs) at a combination of 470 nm and 525 nm could suppress the progression of experimental periodontitis. Methods: A experimental periodontitis model was established in the second, third, and fourth premolars of the mandible in beagle dogs for 2 months. The spontaneous progression of periodontitis was monitored under the specified treatment regimen for 3 months. During this period, the animals were subjected to treatments of either plaque control only (control) or plaque control with LED application (test) at 2-week intervals. The clinical parameters included the probing pocket depth (PPD), gingival recession (GR), and the clinical attachment level (CAL). Histomorphometric analysis was performed using measurements of the length of the junctional epithelium, connective tissue (CT) zone, and total soft tissue (ST). Results: There were significant differences in PPD between the control and test groups at baseline and 12 weeks. When the change in PPD was stratified based on time intervals, it was shown that greater differences occurred in the test group, with statistical significance for baseline to 12 weeks, 6 to 12 weeks, and baseline to 6 weeks. There was no significant difference in GR between the control and test groups at any time points. Likewise, no statistically significant differences were found in GR at any time intervals. CAL showed a statistically significant difference between the control and test groups at baseline only, although significant differences in CAL were observed between baseline and 12 weeks and between 6 and 12 weeks. The proportion of CT to ST was smaller for both buccal and lingual areas in the control group than in the test group. Conclusions: Repeated LED irradiation with a combination of 470-nm and 525-nm wavelengths may help suppress the progression of periodontal disease.
서혜미 ( Hye Mi Seo ),문태훈 ( Tae Hoon Moon ) 한국환경정책학회 2010 環境政策 Vol.18 No.1
The purpose of this study was to identify factors contributing success of sustainable development program for green growth and to find out policy implications for successful implementation of green growth program. For this purpose, administrative, economic, social, and environmental dimensions with several variables within each dimension were used as a framework of analysis. Three cases from Ham Pyung County, Yang Pyung County, and Jeon Ju City was analyzed qualitatively and some 400 of questionnaire survey was conducted for quantitative analysis. Result of the case study shows that administrative factors, especially county chief`s strong leadership was most important factors for success of green growth program. However, empirical result shows that social and environmental factors were statistically significant while administrative factor was insignificant for the success of green growth. Meaning and policy implications of the result were discussed.
서혜미 ( Hye Mi Seo ),범종욱 ( Jong Wook Beom ),김수희 ( Su Hee Kim ),유소연 ( So Yeon You ),김지영 ( Ji Young Kim ),고관표 ( Gwan Pyo Koh ),이상아 ( Sang Ah Lee ) 대한내과학회 2015 대한내과학회지 Vol.89 No.2
Graves` disease following subacute thyroiditis is uncommon. Some patients in these cases showed positive for thyroid antibody only transiently in the resolving phase. However, Graves` disease can rarely be caused by the presence of antibodies after subacute thyroiditis, although the pathophysiology of this is unclear. A 40-year-old woman presented with anterior neck pain and swallowing difficulty. Thyroid function testing showed reduced thyroid-stimulating hormone (TSH) and elevated free thyroxine levels. A thyroid scan revealed decreased uptake in the bilateral thyroid gland. The patient was initially diagnosed with subacute thyroiditis and treated with steroids. Five months later, thyroid function testing showed recurrent hyperthyroidism with positive conversion of TSH receptor antibody, indicating Graves` disease. Since then, she needed the long-term methimazole treatment. In summary, we herein report a case of Graves` disease occurring after subacute thyroiditis. (Korean J Med 2015,89:225-228)