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성견에서 국산 임시 임플란트의 골 유착반응에 관한 연구
이욱재,정종원,김윤상,피성희,유형근,신형식,Lee, Wook-Jae,Jung, Jong-Won,Kim, Yun-Sang,Pi, Sung-Hee,You, Hyung-Keun,Shin, Hyung-Shik 대한치주과학회 2006 Journal of Periodontal & Implant Science Vol.36 No.1
Purpose: Recently, dental implant systems have been widely used for the treatment of the extraction site, but we have been confronted with many limitations in esthetics, phonetics and function. Transitional implants(TI) were developed as a method of providing fixed provisional restorations during conventional implant healing. Until now, little data have been provided on korean transitional implants. The purpose of this study is to evaluate the implant placement site histologically after 4 weeks and 8 weeks. Materials and Methods : Test group( IntermetzzoTM MEGAGEN, KOREA) and control group(Mini Drive Lock, Intra Rock, U.S.A.) were immediately placed in interseptal or interproximal bone of beagle dog after mandibular premolars extraction, and had a healing period with non-submerged state but without loading, Both TI surfaces were composed of rough surfaces. Results: In the test group, the average percentage of BIC were respectively 39.40%(SD7.35) after 4 weeks and 44.05%(16.76) after 8 weeks, and In the control group were 50.75%(1.48) and 59.40%(0.00). Discussion: We evaluated the initial ability of the osseointegration of TI through this study. Because TI is placed with a conventional implant simultaneously and loaded immediately, the ability of osseointegration is a very important factor for the success of TI during the initial healing phase. Conclusion: The results of the histological evaluation of these two groups were similar to those mentioned in other studies for osseointegration of implant.
薑黃약침이 CFA로 유발된 류마티스성 관절염에 미치는 영향
이욱재,이동근,이주희,이정훈,이상현,박근희,신정철 대한침구의학회 2013 대한침구의학회지 Vol.30 No.4
Objectives : The objective of this study was to investigate the effects of Curcuma longa LINNE pharmacopuncture at ST36 on Complete Freund’s Adjuvant(CFA)-induced arthritis in rats. Materials and methods : Arthritis was induced by injecting CFA subcutaneously into the left knee joint and paw, and Curcuma longa LINNE pharmacopuncture(CLL-A. 0.0343 ㎍/㎏; CLL-B. 0.171 ㎍/㎏; CLL-C. 0.343 ㎍/㎏) was injected at ST36 each other day for 5 times beginning on day 10 after the CFA injection. Paw edema, withdrawal response, hematological, serological and histological observation were assessed. Results : In paw edema volume all 3 groups(CLL-A, CLL-B, CLL-C) showed significant decrease compared to the CFA control group. In withdrawal response to reaction time and withdrawal response to force all 3 groups(CLL-A, CLL-B, CLL-C) showed significant increase compared to the CFA control group. In serum AST, group CLL-C showed significant decrease compared to the CFA control group. In histological observations, in all 3 groups, more normal chondrocytes were observed compared to the CFA control group and safranin O stain showed high positive reaction in the cartilage tissue close to the bone tissue. Conclusions : The results suggest that Curcuma longa LINNE Pharmacopuncture at ST36 has a suppressing inflammation effect on Freund's adjuvant arthritis in rats.
이욱재,이동근,이주희,이정훈,김선욱,신정철,Lee, Ook Jae,Lee, Dong Geun,Lee, Ju Hee,Lee, Jung Hun,Kim, Seon Wook,Shin, Jeong Cheol 대한침구의학회 2014 대한침구의학회지 Vol.31 No.4
Objectives : The purpose of this study is to report the effect of Korean medical treatment on a patient with relapsing transverse myelitis. Methods : The patient was treated using acupuncture, pharmacopuncture, herbal medicine and other treatments including moxibustion and therapeutic exercise for 8 weeks. We evaluated the patient's motor grade with medical research council(MRC) scale and evaluated active range of motion in the hip, knee, and anke joint. Results : Through treatment the patient's motor grade and active range of motion all improved. Other symptoms such as lower limb hypoesthesia and residual urine sensation also showed improvement. Conclusions : We concluded that Korean medicine treatment had respectable effect in improving symptoms on the patient with relapsing transverse myelitis.
이욱재,심재식,윤천주,Lee, W.J.,Sim, J.S.,Youn, C.J. 한국전자통신연구원 2020 전자통신동향분석 Vol.35 No.4
Single photon detector technologies have emerged as powerful tools in optical quantum information applications such as quantum communication, quantum information, and integrated quantum photonics. Owing to significant attempts in the previous decade at improving photon-counting detectors, several single photon detectors with high efficiency and low noise have been realized within the optical wavelength regime. In this paper, we provide an overview of current studies on single photon detectors operating at wavelengths from the ultraviolet to the infrared. In addition, we discuss applications of single photon detector technologies in quantum communication and integrated quantum photonics.