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불소함유 교정용 접착제의 불소 유리가 브라켓 인접 법랑질 미세경도 변화에 미치는 영향
김미라,송근배,경희문,성재현 대한구강보건학회 1998 大韓口腔保健學會誌 Vol.22 No.3
The purpose of this study was to evaluate the effects of fluoride releasing orthodontic adhesives on enamel remineralization around orthodontic bracket. The buccal surfaces of 90 premolars were polished, rinsed and dried, Standard area of exposed enamel was provided with coating nail vanish except the area under adhesive coated labels of 10 ㎜ diameter. The tooth was stored at 37℃ in each bottle for 26 hours with 20㎖ of demineralizing solution. After teeth were washed out and dried, bracket was bonded on middle part of demineralized enamel surface using 4 adhesives; OrthoOne as control group, Ketacfil, Excel and FujiOrtho-LC as experimental group. Any excess bonding agent was removed from around the bracket. The teeth were placed in indivisiual, sterile bottles and immersed in 5㎖ distilled water for 1 week, 2 weeks and 4 weeks. After each immersion, bracket was removed and each tooth was sectioned, embedded in unsaturated polyester and polished with silicon carbide paper. The slabs were tested using the Vicker's microhardness tester at three points. First point was located between bracket base and 1㎜, second point was located between 1㎜ and 2㎜, third point was located between 2㎜ and 3㎜. The results were as follows; Fluoride releasing adhesives showed higher VHN compared with non-fluoride releasing adhesive group. In fluoride releasing adhesive group, the VHN between bracket base and 2mm was higher than other points, FujiOrtho-LC group showed highest VHN among fluoride releasing adhesives group at occlusal portion. In conclusion, fluoride releasing adhesives enhance remineralization of white spot or early caries lesion near bracket base and maybe helpful to prevent demineralization around bracket base during orthodontic treatment.
Kim, Jae Sik,Kim, Hak Jae,Lee, Me-Yeon,Moon, Kyung Chul,Song, Seung Geun,Kim, Han-Soo,Han, Ilkyu,Kim, Il Han The Korean Society for Radiation Oncology 2019 Radiation Oncology Journal Vol.37 No.1
Purpose: To identify prognostic factors influencing progression-free survival (PFS) of aggressive fibromatosis (AF) after postoperative radiotherapy (PORT) and assess correlations between immunohistochemistry (IHC) features of β-catenin/smooth muscle actin (SMA) and PFS. Materials and Methods: Records of 37 patients with AF treated by PORT from 1984 to 2015 were retrospectively reviewed. Fifteen patients underwent wide excision for AF and 22 patients received debulking operation. The median total dose of PORT was 59.4 Gy. IHC staining results of β-catenin and SMA were available for 11 and 12 patients, respectively. Results: The median follow-up duration was 105.9 months. Five-year PFS rate was 70.9%. Tumor size or margin status was not related to PFS in univariate analysis (p = 0.197 and p = 0.716, respectively). Multivariate analysis showed that increased interval from surgery to PORT (>5.7 weeks) was a marginal risk factor for PFS (p = 0.054). Administration of PORT at the initial diagnosis resulted in significantly improved PFS compared to deferring PORT after recurrence (p = 0.045). Patient with both risk factors of deferring PORT after recurrence and interval from surgery to PORT >5.7 weeks had significantly lower 5-year PFS than patients without risk factor (34.1% vs. 100.0%; p = 0.012). Nuclear β-catenin intensity tended to inversely correlate with 5-year PFS, although it did not reach statistical significance (62.5% at low vs. 100.0% at high; p = 0.260). SMA intensity was not related to PFS (p = 0.700). Conclusion: PORT should be performed immediately after surgery irrespective of margin status or tumor size especially in recurrent case. Nuclear β-catenin staining intensity of IHC might correlate with local recurrence.
요통 환자의 특성 조사 예비 연구: 다기관, 전향적, 관찰연구
박창현 ( Chang Hyun Park ),장보형 ( Bo Hyoung Jang ),고유미 ( You Me Ko ),박동수 ( Dong Su Park ),김순중 ( Soon Joong Kim ),박원형 ( Won Hyung Park ),차윤엽 ( Yun Yeop Cha ),고성규 ( Seong Gyu Ko ),송윤경 ( Yun Kyung Song ) 한방재활의학과학회 2016 한방재활의학과학회지 Vol.26 No.2
Objectives The aim of this study done as pilot study is to analyze the current state of patients who have low back pain through registry. Methods This study is done under approval of Gil Oriental Medical Hospital of Gachon University, Oriental Medical Hospital of Sangji University, Jecheon Oriental Medical Hospital of Se-Myung University IRB. Among subjects who signed the consent form by their own will, we decided whom to register as subjects of this study by the standard of selection and exception. We collected the sociological investigation, character of low pack pain, degree of symptom which they felt before and after the hospitalization from registered subjects. Results 1. The number of the subjects is 16. The average age is 41.0. 9 of them are female, 7 of them are male. Most of the subjects have history illness which has connection with low pack pain. 2. According to the patient`s free description of the back pain, 6 of them suffered throbbing pain. And 8 of the patients have chronic pain, 6 of them have intermittent pain of back pain analysing the character of the low back pain. They answered the pain lasted for 47.6 minutes on average. 3. About the change on the average R.O.M. of L-spine, R.O.M. of Lateral bending, Extension, Flexion, Rotation has increased after leaving the hospital compared with before hospitalization. 4. The amount of discomfort or strength of pain, which was checked by VAS on the day of leaving the hospital, has decreased than they were before the hospitalization. And there was the improvement on the dysfunction score and EQ-5D. Conclusions Through this study, we specifically analyzed the symptoms of the low back pain by accumulating the analysis about the symptoms using several indicators and description which is freely spoken by patients about their symptoms. Further research is expected to complete multi-center registry by building registry and by using it, to get various epidemiologic informations about low back pain. (J Korean Med Rehab 2016;26(2):123-132)
고시 수재 의약품의 용출규격 설정 - 구연산니카메테이트 정, 노르플록사신 캡슐
김희연(Hee Yun Kim),최선희(Seon Hee Choi),방수진(Su Jin Bang),한경진(Kyung Jin Han),최승희(Sung Hee Choi),백지윤(Ji Yun Baek),김동섭(Dong Sup Kim),김영옥(Young Ok Kim),손경희(Kyung Hee Sohn),송영미(Young Me Song),사홍기(Hong Kee Sah) 大韓藥學會 2010 약학회지 Vol.54 No.5
Despite the fact that the dissolution test can serve as an effective tool for drug quality control and prediction of in vivo drug performance, there are a number of drugs with no established dissolution specifications because they were developed quite a long time ago. Under this circumstances, KFDA started the new project that establishes dissolution method and specifications for drugs with no dissolution specifications listed in the Korea Pharmaceutical Codex (KPC). This project aims for promoting the appropriate management of oral solid dosage forms. Seoul regional KFDA selected 2 items, Nicametate citrate tablet and Norfloxacin capsule, for establishing dissolution specifications. We went through the following procedures to develop the dissolution method and specifications: (1) Validation of dissolution test equipment, (2) Purchase of test drugs, (3) Preliminary test with one of the test products (1 lot), (4) Validation of analysis methods (3 lots), (5) Final tests and cross tests among other laboratory to establish dissolution specifications, (6) Additional test with the other test drugs. The outcome of this study will be reflected in revision of the KPC. It is believed that the quality control and evaluation of oral solid dosage forms listed in KPC will be advanced with the revision which adds additional dissolution test and specifications for the drugs with no established dissolution specifications.
십이지장경 소견으로 진단이 가능했던 췌장의 Mucinous Ductal Ectasia 3예
김명환,박선미,서동진,이성구,최호순,민영일,송일한,이미화,유은실,유미란,한덕종,공경엽,이문규 대한소화기내시경학회 1995 Clinical Endoscopy Vol.15 No.2
We have experienced three cases of mucinous ductal ectasia of the pancreas. They showed the characteristic duodenoscopic findings and underlying pathology was hyperplasia in two cases and adenocarcinoma in one case. When endoscopic retrograde pancreatography was performed, bulging ampulla of Vater, patulous ampullary orifice and mucus leakage from papillary orifice were noted. Also cyst-like dilatation of main duct or side branch of the uncinate process were observed.