Study of Disclusion Time during Mandibular Eccentric Movement in Myofascial Pain Syndrome Patients by T-Scan II, Computerized Occlusal Analysis System

신준한,권정승,김성택,박형욱,최종훈,Shin, Jun-Han,Kwon, Jeong-Seung,Kim, Seong-Taek,Park, Hyung-Uk,Choi, Jong-Hoon Korean Academy of Orofacial Pain and Oral Medicine 2011 Journal of Oral Medicine and Pain Vol.36 No.3

Temporomandibular disorders(TMD) is a collective term which is embracing a number of clinical problems that involve the masticatory musculature, the TMJ and associated structures, or both. Myofascial pain, which is a kind of masticatory muscle disorder of TMD, is the sensory, motor, and autonomic symptoms caused by myofascial trigger points. There has been some controversies regarding etiologies of TMD and MFP. Especially the issue of occlusal conditions has been a critical issue for long time. Despite much efforts, the results of studies regarding occlusal conditions were contradictory. These controversies might be mostly due to various factors resulting from the complex nature of TMD, however, inaccurate and inappropriate study design, selection criteria, methodologies also play significant roles. Recently, a computerized occlusal analysis system, T-Scan II which made it possible to reveal quantifiable time data and relative force data for analyzing occlusion, was introduced. Some authorities suggested that the concept of disclusion time and prolonged disclusion time of posterior tooth and MFP are related using T-Scan II. But the previous studies which used T-SCAN II are not reliable for they did not provide accurate diagnostic criteria of MFP. Morever they did not compare with controls, and had many other problems. The purpose of this study was to evaluate the relationship between MFP and prolonged disclusion time of posterior tooth, which is one of the occlusal factors of TMD, by selecting 30 subjects as the study group through strict criteria and comparing them with 38 controls using T-SCAN II, computerized occlusal analysis system. The results, statistically analyzed, are summarized as follows: 1. Cronbach ${\alpha}$ coefficient of repeated measurements of disclusion time was 0.92. 2. There were no statistically significant differences at repeated measured disclusion time of both side between control and study group. 3. There was no statistically significant diffefence in the disclusion time between right and left side. From the results above, we can suggest that there was no relationship between MFP and disclusion time, so irreversible treatments leading to the reduction of disclusion time for treating MFP would not be appropriate. However more controlled, large scaled study, which consider various occlusal factors, and quantification of symptoms using Helkimo index would be necessary in the future.

임신과 동반된 위암의 임상적 고찰

신준한(Joon Han Shin),오제열(Je Yol Oh),박효진(Hyo Jin Park),정준표(Jun Pyo Chung),이관식(Kwan Sik Lee),이상인(Sang In Lee),박인서(In Suh Park),최흥재(Heung Jae Choi) 대한내과학회 1993 대한내과학회지 Vol.45 No.1

N/A Background: Gastric cancer associated with pregnancy is rare. Because of the similarity of symptoms between gastric cancer and preganancy, limitations in diagnostic approaches and difficulties in saving both mother and fetus, the prognosis is poor. Therefore, we analyzed the clinical features of gastric cancer associated with pregnancy, appropriated diagnostic approaches and practical guidlines for treatment. Method: We collected 23 cases of gastric cancer detected during pregnancy or within 12 months after delivery from January, 1980 to June, 1992. And age of patients, approaches of diagnosis, stage of cancer, pre- dominant histological features, results of surgical and obstetric treatment, and prognosis were analyzed according to the stage of pregnancy. Results: 1) Mean age of the patients at the time of diagnosis of the gastric cancer was 29.0±3.0 years old. Age range was 20-29 years old in 14 cases and 30-39 years in 9 cases. 2) The common presenting symptoms and signs were vomiting (52.2%), nausea (47.8%) and epigastric pain (47.8%). Mean duration from symptom onset to diagnosis was 6.5±7.8 months. 3) The percentages of patients diagnosed by endoscopic examination and barium study was 91.3% and 8.7%, respectively. In 5 cases, the distant metastases were found incidentally and then the primary focus was diagnosed by endoscopic examination or barium study. 4) Early gastric cancer was detected in 13.0% and advanced gastric cancer in 87.0%. In early gastric cancer, one case was found during pregnancy. 5) The histological features of gastric cancer were adenocardinoma in all cases and the types were poorly differentiated cell type (38.1%) and signet ring cell type (69.1%) 6) The treatment for gastric cancer was performed by surgery only in 21.7% and by combined surgery and chemotherapy in 21.7%. 7) The obstetric outcomes in patients diagnosed during pregnancy were normal spontaneous delivery in one case, preterm vaginal delivery in two cases, induced abortion in four cases and spontaneous abortion in one case. Conclusion: As the results show most of the gastric cancers associated with pregnancy was found in advanced state and their prognosis were grave. But same cases were early gastric cancers and in some cases complete resection was possible. Therefore, in order to improve the prognosis of gastric cancer associated with pregnancy, early diagnosis by endoscopy and appropriate treatment are emphasized.

편측저작이 저작근의 근활성도와 교합력에 미치는 영향

양호연,신준한,최종훈,안형준,Yang, Ho-Yeon,Shin, Jun-Han,Choi, Jong-Hoon,Ahn, Hyoung-Joon 대한안면통증구강내과학회 2005 Journal of Oral Medicine and Pain Vol.30 No.1

As people prefer to use right or left hand, some have preferred chewing side while others do not. Totally, 82 volunteers composed of students and staffs from Dental Hospital College of Dentistry Yonsei University participated in this study for the investigation of influence of preferred chewing habit, that has lasted for more than a year, on electromyographic(EMG) activity of masticatory muscles and bite force. Among the 82 volunteers, 46 had preferred chewing habit while the other 36 did not. Prior to the investigation, those with factors that could affect the study, such as, general disease, irregular dentition and malocclusion, were screened and excluded by questionnaire and clinical examination. The results were as follows: 1. There was no significant difference in EMG activities between chewing side and non-chewing side of preferred chewing subjects at rest as well as maximal voluntary contraction(MCV)(p>0.05). 2. Asymmetrical coefficient of temporal and masseter muscle EMG activities between preferred chewing subjects and non-preferred chewing subjects at rest was not significantly different(p>0.05). 3. Asymmetrical coefficient of masseter EMG activity was significantly higher(p<0.05) than that of non-preferred chewing subjects at MCV, whereas that of anterior temporal muscle showed no difference(p<0.05). 4. In preferred chewing subjects, there was no significant difference in average bite force and occlusal contact area between chewing side and non-chewing side(p>0.05). 5. There was no significant difference in Asymmetrical coefficients of average bite force and occlusal contact area between preferred chewing subjects and non-preferred chewing subjects (p>0.05). Consequently, preferred chewing habit can be considered as physiological asymmetry with normal function rather than to have influence on EMG muscle activity of masticatory muscles, average bite force and occlusal contact area. Objective standardization to differentiate preferred chewing subjects and non-preferred chewing subjects should be established in the further study.

포톤 네트워크를 이용한 VR 멀티게임 구현, ‘Arcade VR Battle’

심한뫼(Han-Moi Shim),신준한(Jun-Han Shin),남궁건(Geon Namgung),이민웅(Min-Woong Lee),곽용식(Yong-Sik Kwak) 한국컴퓨터정보학회 2023 한국컴퓨터정보학회 학술발표논문집 Vol.31 No.1

경피 내시경하 위루술을 이용한 위감압 치험

박인서(In Suh Park),이상인(Sang In Lee),이관식(Kwan Sik Lee),박효진(Hyo Jin Park),신준한(Joon Han Shin),최홍재(Heung Jai Choi),권선옥(Seon Og Kweon),정준표(Jun Pyo jeong) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.2

Percutaneous endoscopic gastromy (PEG) and percutaneous endoscopic jejunostomy (PEJ) are used commonly for enteral feeding. Rut there were some reports of using PEG as an alternative to naso-gastrointestinal tube for decompression in parients with mechanical obstruction, particularly obstraction with malignancies involving the upper gastrointesrinal tract. Palliation is usually achieved by the placement of a nasogastric or nasointestinal tube. Hower these tubes tend to have some disadvantages which can be overcome with drainage PEG. In our experience, a 65 years old male patiert with pyloric obstruction due to advanced gastric cancer was successfly decompressed by drainage PEG. Thus, we present this case with supporting literatures.

전통 명승에 부여된 인문적 가치의 내용과 실제 사례

신준(Jun Shin),류제헌(Je-Hun Ryu) 한국문화역사지리학회 2017 문화 역사 지리 Vol.29 No.1

본 연구는 경관 유산의 경험에 관여하는 무형적 가치에 관한 해외의 연구를 종합적으로 적용하여 전통 명승의 인문적 가치를 세 가지 하위 유형, 즉 역사적·심미적·정신적 가치로 범주화했다. 그 다음으로 전통 명승에 속하는 포항 내연산계곡에 이러한 세 가지 가치를 실제로 적용해 보았다. 그 결과 역사적 가치는 인공경관에 투영되는 경향이 우세하며 바위각자는 특정한 역사적 인물로 인해 역사적 가치가 부여되었다. 심미적 가치는 경관미가 뛰어난 자연경관에 투영되는 경향이 우세하며 폭포와 바위의 절경은 위대한 예술작품을 통해 심미적 가치가 부여되었다. 정신적 가치는 인공경관과 자연경관 모두에 두루 투영되며 경관요소의 특성에 따라 정신적 가치가 다양한 양상으로 부여되었다. 이상과 같은 연구 결과는 명승의 지정·관리·활용을 위하여 인문적 가치를 분석하고 평가하는 방법론을 구축하는데 일조가 될 것이다. This study aims to categorize three subordinate types of humanistic value in the case of “traditional landscape of scenic beauty.” Based on the critical review on the theories of ‘landscape heritage’, ‘heritage place’, and ‘intangible value’ in the environmental aesthetics, it could come up with three sub-categories of humanistic values: historic, aesthetic, spiritual. From the application of these sub-categories to the case of Pohang Naeyeonsan valley, it is discovered that historical value was prominently projected on the artificial landscape, such as the letters that were inscribed on the rocks of Naeyeonsan valley by historical figures. Aesthetic value was projected mainly on the natural landscape of outstanding scenic beauty, such as the waterfalls and rocks, by art works including landscape paintings. By contrast, spiritual value was projected on both artificial landscape and natural landscape in various aspects mainly by scholar-officials during the Joseon Dynasty(1392-1910). Such a categorization and clarification of humanistic value and its application to the real case of Naeyeonsan valley finally proposes a possibility of using humanistic value for the designation, protection and utilization of “traditional landscape of scenic beauty” as a national and local heritage.

에이전트를 이용한 온톨로지 기반의 서비스 디스커버리

신준 ( Jun Shin ),김규일 ( Kyuil Kim ),황현식 ( Hyunsik Hwang ),김응모 ( Ungmo Kim ) 한국정보처리학회 2006 한국정보처리학회 학술대회논문집 Vol.13 No.1

유비쿼터스 컴퓨팅환경에서는 다양한 서비스가 존재한다. 사용자들은 수많은 서비스들을 사용하기에 앞서 이들이 어디에 있는지, 어떻게 사용해야 하는지를 알아야 한다. SLP, Jini, 그리고 UPnP같은 대부분의 현존하는 서비스 디스커버리 (Service Discovery) 기술들은 키워드 매치 방법으로 서비스를 검색한다. 이 같은 방식에서는 사용자가 자신이 이용하고자 하는 서비스에 대한 정확한 명칭을 알고 있어야 서비스를 검색할 수 있다. 그러나 유비쿼터스 환경에서는 매우 다양한 서비스가 존재하고, 사용자들 대부분은 해당 서비스의 전문가가 아니기 때문에 정확한 키워드를 선택하여, 원하는 서비스를 찾는데 어려움이 있다. 시맨틱 웹 분야에서 새롭게 떠오른 온톨로지는 특정 분야에서 사용되는 정보의 구조 혹은 용어에 관한 내용을 사용자들이 공유할 수 있도록 정리해놓은 것이다. 본 논문에서는 이러한 온톨로지의 특성을 이용하여, 사용자에게 이용 가능한 서비스에 대한 정보들을 제공하여 사용자가 다양한 서비스를 쉽게 찾아 쓸 수 있는 방법을 제안하였다. 이 방식은 에이전트간의 온톨로지 교환을 통해서 이루어지며, 서비스 블록(Service Block)이라고 불리는 공간 안에서 수행된다. 또한 서비스 컨트롤러(Service Controller)를 이용하여 서비스를 쉽게 사용할 수 있도록 UI를 제공한다. 본 시스템을 위하여 JENA2, JADE, Aglet, OWL, 그리고 RDQL 이 사용되었다.

생체 흡수성 판과 나사못을 이용한 족근 관절 골절의 치료

권덕주,이용범,신준,Kwon, Duck-Joo,Lee, Yong-Beom,Shin, Jun 대한족부족관절학회 2009 대한족부족관절학회지 Vol.13 No.1

Purpose: The purpose of this article is to assess the efficacy of a bioabsorbable polylactide (PLA) plate and screw for treating injuries of ankle fractures. Materials and Methods: 24 patients who underwent an open reduction and internal fixation operation for ankle fractures from July 2005 to March 2007 were enrolled into the study. There were 15 men and 9 women. The average age of the patients was 44 years and the average follow-up period was 16 years and two months (16.2 months). All cases were divided into low grade fracture patient (11) who belongs in type A and B of Danis-Weber classification and high grade fracture patient (13) who belongs in type C1, C2 of Danis-Weber classification, and each groups were analyzed by clinical (Meyer score) and radiological finding at the time of their last follow-up evaluation. Results: The clinical results according to Meyer scoring system, showed that all patient with low grade fracture had good to excellent result, but only 54% of patient with high grade fracture had good to excellent result. According to Cedell's radiologic finding, there were 91% cases above fair in low grade fracture. But there were 62% of patient above fair result in high grade fracture, the reduction losses were seen in 38% of patient with high grade fracture. Conclusion: Bioabsorbable PLA plate and screw is good internal fixation device which doesn't have additional operation for removal of implant because of slow absorption within the human body. It showed sufficient strength for acquisition and maintenance of reduction in low grade fracture, but need attention to use because of many cases of reduction loss in high grade fracture. So, it seems to be safe and effective when used in heeling of low grade fracture under considering about type of fracture sufficiently.

트리 데이터에서 연관규칙 추출을 위한 서브 트리 마이닝

강우준 ( Woo Jun Kang ),신준 ( Jun Shin ) 한국정보처리학회 2006 한국정보처리학회 학술대회논문집 Vol.13 No.2

XML 트리 데이터들로부터 빈번 서브 트리들을 추출하는 기존 방법들은 복잡하고 다수의 입력데이터 스캐닝을 필요로 할 뿐만 아니라 빈번 서브 트리를 구하기 위해 에지 하나하나의 조인 작업을 필요로 하였다. 이는 결과적으로 많은 수행 시간을 요한다. 본 논문에서는 트리데이터를 레벨 별로 나누고 이를 마치 채로 거르듯이 필터링하여 특정 수치 이상의 출현 횟수를 가지는 노드들만을 남겨 빠르게 빈번한 서브 트리를 찾고, 이를 이용하여 XML 연관규칙들을 생성하는 방법을 제시한다. 제시된 방법을 위해서 PairSet 이라는 새로운 자료구조를 도입하였으며, 이를 이용하는 크로스필터링 알고리즘을 개발하여 제시하였다.

관절경하 반월상 연골 절제술 후 발생한 혈전색전증 - 1예 보고 -

이기병,송시영,이용범,현호승,신준,Lee, Kee-Byung,Song, Si-Young,Lee, Yong-Beom,Hyun, Ho-Seung,Shin, Jun 대한관절경학회 2008 대한관절경학회지 Vol.12 No.3

관절경하 슬관절 수술 후 발생하는 폐색전증은 발생 빈도가 매우 드물며, 대부분의 경우 별다른 임상 증상이 없는 것으로 알려져 있다. 저자들은 40세 남자 환자에서 관절경하 부분 절제술 시행 후 증상을 유발하는 폐색전증이 발생한 증례를 경험하였기에 이를 보고하고자 한다. Pulmonary embolism appears to be a very rare complication of arthroscopic knee surgery. Most cases of pulmonary embolism have been clinically silent in the literature. We describe a case of symptomatic pulmonary embolism after arthroscopic partial menisectomy in 40-year-old male patient.