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RISS 인기검색어
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- 저자 : 안용수 ( Yong-su Ahn ) (검색결과 3 건)
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안용수,안희창,김연환,Ahn, Yong-Su,Ahn, Hee-Chang,Kim, Youn-Hwan 대한성형외과학회 2010 Archives of Plastic Surgery Vol.37 No.4
Purpose: Poland's syndrome encompasses a constellation of congenital chest wall, breast, and upper extremity deformities. We would like to present several techniques, which may be combined if necessary, used to treat the forms involving both the breast and chest wall according to the degree of deformity. Methods: In a retrospective series of 9 patients (3 men and 6 women), we report our experience with reconstructing breast and chest contour deformities associated with Poland syndrome. We recorded their age, gender, the surgical techniques, and the grade in Poland's syndrome according to the classification of Foucras. Results: The breast and chest wall deformities associated with Poland syndrome can be treated in individualized fashion according to the classification of Foucras. In case of 3 male patients with gradeI, II, the latissimus dorsi muscle pedicled flap improved the chest contour deformity. 3 female patients with grade II underwent the latissimus dorsi muscle pedicled flap with breast implant. 2 female patients with gradeIunderwent breast reconstruction with breast implant and fat injection each other. One female patient with severe chest wall deformity (grade III) underwent breast reconstruction using the free TRAM flap. All patients were satisfied with the results without specific complications. Conclusion: The Individualized correction for this syndrome according to the degree of patient's deformity and preference made the overall satisfaction of the patients high.
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덴탈타입실리카, 토코페롤아세테이트, 불화나트륨 및 피로인산나트륨 배합 세치제가 치아표면 탈회 및 치아밀도 감소 억제에 미치는 영향
정호기 ( Ho-ki Jung ),정선영 ( Sun-young Chung ),안용수 ( Yong-su Ahn ),신경훈 ( Kyong-hoon Shin ),조자원 ( Ja-won Cho ) 대한예방치과·구강보건학회 2020 大韓口腔保健學會誌 Vol.44 No.4
Objectives: In this study, we aimed to investigate the preventive and protective effects of new dentifrice containing dental type silica, tocopheryl acetate, fluorides, and sodium pyrophosphate on the mineral density of teeth and demineralization of tooth surfaces. Methods: A total of 119 bovine teeth pre-treated with the new dentifrice at three different concentrations for the experiment were randomly allocated into two control (DW and PW) and one experimental (EC) groups. The enamel surface of all bovine teeth were demineralized using an artificial demineralization solution. The dentifrice was diluted with distilled water (DW) at 1:1, 1:2, and 1:3 ratios. The samples were treated with the demineralization solution for 4 h after treatment with the supernatants of each diluted dentifrice for 30 min, and this procedure was repeated 3 times over a period of 24 h. The samples were examined using micro-CT to determine the amount of reduced bone mineral density (BMD) comparing the control and experimental dentifrices. The surface changes of the samples were also examined using the scanning electron microscope (SEM). Results: The average BMD of the bovine enamel surface between the treated and non-treated area with the dimineralization solution was significantly different in the control, DW, PW 1:1, PW 1:2, and PW 1:3 groups. However, there was no significant difference observed in the experimental groups, including EC 1:1, EC 1:2, and EC 1:3. The average BMD of the dimineralized surfaces based on the results of the 7 groups was significantly higher in every EC group when compared to the DW and three PW groups. Conclusions: The new dentifrice containing dental type silica, tocopheryl acetate, fluorides, and sodium pyrophosphate is effective in inhibiting the decrease in BMD and demineralization of enamel surface, which was observed when the new dentifrice and demineralization solution was repeatedly applied to the samples for 24 h.
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이채영 ( Chae-young Rhee ),조자원 ( Ja-won Cho ),유현준 ( Hyun-jun Yoo ),닛타삭폼마봉싸 ( Nitthasack Phommavongsa ),안용수 ( Yong-su Ahn ),오형석 ( Hyung-suk Oh ) 대한예방치과·구강보건학회 2021 大韓口腔保健學會誌 Vol.45 No.2
Objectives: The aim of this study was to determine the dental caries experience of children in Laos. Methods: Oral examinations were performed on a total of 1,540 students in 513 primary school students, 537 middle school students, and 490 high school students and the results analyzed. Results: The dft index (decayed-filled primary teeth index) of 6-year-old primary school children was 6.04. The DMFT index (decayed-filled-missing permanent teeth index) was 1.59 in 12-year-old middle school children and 2.04 in 15-year-old middle school children. Conclusions: Caries experience in most of the age groups was on the high side. It is considered that in Laos, a treatment project to stop the progression of caries is necessary in parallel with a pre vention project to lower the caries fatality rate.
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