• Maxillofacial Plastic and Reconstructive Surgery
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• v.30 no.1
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• pp.100-107
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• 2008

First of all a good surgical access is considered among various approach methods to the cystic lesion. A poor surgical access can lead to a failure of the whole treatment. A sagittal split ramus osteotomy (SSRO) on the large cyst occurring in the mandibular ramus lets us not only reduce operation time, but can additionally contribute to a good visual field. In addition, a merit exists that it lets this operating method provide soft tissue adhesion for proximal and distal segment and decrease post operative necrosis. We experienced three cases of a large cyst on the mandibular angle and ramus. By employing a sagittal splitting of the mandible, it provided good surgical access and operation results without recurrence during a follow-up period. The surgical technique described may be helpful in treating similar large cysts.

• The Journal of Korean Academy of Prosthodontics
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• v.31 no.1
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• pp.77-86
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• 1993

The purpose of this study was to compare the sagittal condylar guidance obtained by the graphic method(pantographic tracing) with that produced by the positional method(check-bite). Ten adults who had normal occlusion and were free of TMJ dysfunction were selected, and the clutches were constructed. At first pantographic survey was performed and the articulator was adjusted with each pantographic recording. And then three protrusive check-bite were taken on the subjects using the polyether$(Lamitec^{(R)})$ on the buccal side of the posterior teeth without the interocclusal record method and the vericheck method was performed with each protrusive check-bite. Sagittal condylar guidances obtained by using the pantograph and Vericheck were compared and analyzed statistically. The results were as follows: 1. The average condylar guidance ankle at 4mm and 7mm from centric relation point on the pantograph $(35.9{\pm}1.10^{\circ},\;32.4{\pm}1.55^{\circ})$ was statisccally significant(P<0.01). 2. The average condylar guidance angle of the Vericheck was $27.0{\pm}3.43^{\circ}$. 3. The comparison of the right and left was not statistically significant in all group(P>0.05). 4. The comparison of pantograph and Vericheck was statistically significant in the right and left(P<0.001).

• Journal of Dental Rehabilitation and Applied Science
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• v.22 no.4
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• pp.271-281
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• 2006

Long term prediction of surgical result of skeletal class III has not been evaluated adequately because the stability of orthognathic surgery would be affected by not only set back amount of mandible but also many other factors like skeletal pattern, hyoid position, and airway size. The aimof this study is to discriminate the factors which affect the stability of post-treatment result of surgical outcome of sagittal split ramus osteotomy. We have collected 37 patients (male: 17, female: 20) from patients who have been treated at Orthodontic Department in Dankook University. The patients underwent 3 times Cephalometric X-ray taking at pre-, post-orthognathic surgery and after 12 months retention. The subjects were divided into 2 groups (Stable group: 21, Relapse group: 16) according to their relapse amount. We have taken following results from Students t-test and discriminant analysis. The discriminant factors which discern relapse and stable groupe among treatment change variables were BX and Ba-HY. Hyoid bone moved to posterior and inferior position due to surgery and repositioned superiorly and posteriorly during retention period. Skeletal patterns of the relapse group are smaller mandibular plane angle, anterior mandibular position, and greater distance from hyoid bone to cervical bone and mandible respectively.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2001.05a
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• pp.175-181
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• 2001

본 연구의 목적은 사람들이 언어과제와 공간지각과제을 수행하는 동안 활성화되는 뇌 영역의 차이를 규명하는 것이다. 428명의 대학생을 대상으로 집단 심리실험을 수행하여, fMRI 연구를 위한 실험참여자로 17명의 오른손잡이 여대생을 선정하였다. 17명 중 8명은 언어능력은 뛰어나지만 공간지각능력이 떨어지고, 나머지 9명은 언어능력은 빈약하지만, 공간지각능력이 우수한 사람들이었다. fMRI 실험에 사용된 패러다임에는 언어과제와 공간지각과제가 각각 8block으로 구성되었으며, 각 block은 동일한 과제 3문항을 포함하였다. fMRI 이미징은 1.5T Siemens Vision Scanner로 수집되었으며, Single-shot EPI 기법으로 (TR/TE : 3840/40ms, flip angle : 90, FOV : 220, 64x64 matrix) 이미지를 스캔하였다. 자료분석은 SPM-99 소프트웨어를 사용하였다. 감산(subtraction)분석결과, 언어능력이 뛰어난 집단에서는 양측 대상회(bilateral cingulate gyri)와 좌측 상두정엽 (left superior parietal lobe)이 더 많이 활성화되었고, 언어능력이 떨어지는 집단에서는 양측 전두엽 (both frontal lobes)이 더 많이 활성화되었다. 공간지각능력이 떨어지는 집단에서는 우측 시상 (right thalamus)과 좌측 측-후두엽 (left temporooccipital)이 더 많이 활성화되었다. 언어능력이나 공간지각능력이 우수한 집단에서는 공통적으로 대상회 (cingulate gyri)가 활성화되었다.

• Korean Journal of Materials Research
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• v.6 no.5
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• pp.483-488
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• 1996

InP 기판위에 InP와 격자정합된 undoped-InGaAs에서 zine의 확산 특성을 Electrochemical Capacitance-Voltage 법(polaron)과 Secondary Ion Mass Spectrometry(SIMS)로 조사하였다. Metallorganic Chemical Vapor Deposition (MOCVD)를 이용하여 undoped-InGaAs 층을 성장시켰으며 확산방법으로는 Zn3P2 확산원 박막과 Rapid Thermal Annealing (RTA)를 이용하였다. 450-55$0^{\circ}C$온도범위에서 30-300초 동안 확산을 수행한 결과 zinc의 확산계수는 D=Doexp(-$\Delta$E/kT)의 특성을 만족하였으며, Do와 $\Delta$E는 각각 1.3x105$\textrm{cm}^2$/sec와 2.3eV였다. 얻어진 확산계수는 다른 확산방법을 이용한 값들에 비해 매우 큰 값인데, 이것은 RTA 처리시 빠른 온도 증가에 의한 확산원 박막, 보호막, 그리고 InGaAs 에피층이 가지는 열팽창계수의 차이로인한 응력의 효과에 의한 것으로 생각되며, 이를 sealed-ampoule 법을 사용한 경우의 확산특성과 비교를 통하여 확인할 수 있었다.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.33 no.2
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• pp.190-197
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• 2011

The management of mandibular prognathism was revolutionized by the advent of the of sagittal split ramus osteotomy (SSRO) technique as described by Obwegesser and Trauner in 1957. Facial nerve palsy following SSRO is a rare but serious problem. In the event of post-operative facial palsy, careful clinical and neurophysiological investigations such as a nerve condunction test for facial function is mandatory. The authors examined patients with facial palsy following SSRO. Patients recovered after 3~4 months and we had performed clinical examinations with electromyography and nerve conduction tests during follow-up period.

• The Journal of Internal Korean Medicine
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• v.21 no.5
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• pp.765-771
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• 2000

Objectives : To evaluate the pain control effect of combination treatment of Oriental Medicine on patients who suffered from thalamic pain syndrome caused by thalamic stroke. Methods : We reviewed the medical records and brain imaging data of all patients with thalamic stroke from September 1998 to August 2000 who visited to Department of Oriental Internal Medicine, National Medical Center. We evaluated clinical features of thalamic pain syndrome, including incidence, onset interval from stroke, nature, pain distribution, and assessed the pain control effect of combination treatment by Visual Analog Scale(VAS). Results : 64 cases were selected under the inclusion criteria, and 17 patients(26.5%) with thalamic pain syndrome were identified from 64 thalamic strokes. VAS proved combination treatment effective to control pain of thalamic pain syndrome. In 12 cases(70.5%), pain onset was within the first week poststroke. The patients with allodynia were 6(35.3%). In 12 cases(70.5%), the lesion was mainly located in the posterolateral areas of thalamus. Conclusion : We conclude that combination treatment of the Oriental Medicine modalities have pain control effectiveness on thalamic pain syndrome.(t=-5.47, p=0.0001)

• Journal of the Korea Institute of Information and Communication Engineering
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• v.7 no.2
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• pp.194-200
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• 2003

In this paper, FSK(Frequency Shift Keying) demodulator which is widely used for FH-SS system is designed and the experimental results are analyzed. The performance of the ADPLL(All-digital Phase-Locked-Loop), which is the main part of the demodulator circuit, is analyzed by the computer program. Using Maxplus-II tool provided by altera. co., ltd, each part of the ADPLL is designed and all of them is integrated into EPM7064SLC44-10 chip. And the simulation results are compared with the characteristics of the implemented circuits for analysis. There is about 2${\mu}\textrm{s}$ difference in time constant of the PLL. This difference is not critical in the demodulator. And the experimental results show that the transmitted data is well demodulated when the phase difference between the FSK modulated signal and the reference signal is about 180 degree.

• 프린팅코리아
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• v.8 no.10
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• pp.54-59
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• 2009

서울인쇄센터와 서울시인쇄정보산업협동조합이 공동주최한 제4회 인쇄문화축제가 지난 9월 14일부터 16일까지 3일간 서울광장에서 인쇄가 펼치는 아름다운 세상을 주제로 열렸다. 축제 첫날인 14일에는 우수한 인쇄물을 선정 시상함으로써 인쇄물의 품질향상 기회 제공 및 인쇄기술개발로 수출경쟁력을 높이고 인쇄업계 매출증대를 이끌어내고자 하는 제4회 서울인쇄대상 시상식이 열렸다. 이날 시상식에는 정두언(한나라당, 서대문 을), 백재현(민주당, 광명시 갑)국회의원, 라진구 서울시행정부시장, 정승배 서울시의원, 구자현 서울지방 조달청 청장, 최향도 서울시경쟁력강화본부 본부장 등의 외빈과 홍우동 대한인쇄문화협회 회장, 대한인쇄정보산업협동조합연합회 이충원 회장, 경기인쇄정보산업협동조합 이완표 이사장, 인천인쇄정보산업협동조합 심응선 이사장, 대전충남인쇄정보산업협동조합 구자빈 이사장, 대구인쇄정보산업협동조합 박희준 이사장, 대한인쇄연구소 고수곤 이사장 등의 귀빈들이 참석했다. 행사는 서울인쇄센터와 서울시인쇄정보산업협동조합이 공동 주최하고 서울특별시, 대한인쇄문화협회, 대한인쇄정보산업협동조합연합회, 대한인쇄정보기술협회, 동국대학교, 청주고인쇄박물관이 후원했으며 아그파코리아(주), (주)인큐브테크의 협찬으로 진행됐다.

• Journal of Korean Medical classics
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• v.19 no.3
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• pp.33-46
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• 2006

통과대약물적(通過對藥物的)'승강부심(升降浮沈)'이론화기재방제학적운용방면적연구득출여하결론(理論和其在方劑學的運用方面的硏究得出如下結論): 1. 대약물적(對藥物的)'승강부심(升降浮沈)'대래영향적인소유(帶來影響的因素有), 기미후박지음양(氣味厚薄之陰陽), 한열온경지사기(寒熱溫京之四氣), 산고감신함지오미(酸苦甘辛鹹之五味), 이급약용부위(以及藥用部位), 약물적재질(藥物的材質), 약물적생숙등(藥物的生熟等). 2. 재약성작용상가구분위(在藥性作用上可區分爲), 승부적약성구유소풍(升浮的藥性具有疏風), 산한(散寒), 선폐(宣肺), 투진(透疹), 승양(升陽), 통비(通痺), 최토(催吐), 개궁등작용(開窮等作用), 이침강약성구유통편(而沈降藥性具有通便), 사화(瀉火), 이수(利水), 진정안신(鎭靜安神), 평간개탕(平肝漑湯), 평단(平端), 강역(降逆), 고정(固精), 삽장(澁腸), 지대등자용(止帶等作用). 3. 근거재(根據在), ${\ulcorner}$의학입문(醫學入門) 본초(本草)${\lrcorner}$ 중장결고등인적이론(中張潔古等人的理論), 치풍문적약가귀납위'승'적작용(治風門的藥可歸納爲'升'的作用), 치열문적약가귀납위'심'적작용(治熱門的藥可歸納爲'沈'的作用), 치조문적약가귀납위'강'적작용(治操門的藥可歸納爲'降'的作用), 치한문적약가귀납위'부'적작용(治寒門的藥可歸納爲'浮'的作用), 단시실제상부동적'승강부심'작용시상혼재일기적(但是實際上不同的'升降浮沈'作用是相混在一起的). 4. 재(在) ${\ulcorner}$의학입문(醫學入門)${\lrcorner}$, ${\ulcorner}$의방집해(醫方集解)${\lrcorner}$, ${\ulcorner}$의방고(醫方考)${\lrcorner}$ 중구체응용등약물적승강부심이론(中具體應用等藥物的升降浮沈理論), 내설명료방제적조성원리(來說明了方劑的組成原理), 저일점적용어소유처방(這一點適用於所有處方), 단시주요국한어중기적허약혹심현부교(但是主要局限於中氣的虛弱或心賢不交), 음허화왕등(陰虛火旺等).