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THE MANAGEMENT OF A COMPLEX IMPLANT CASE USING CAD-CAM TECHNOLOGY: A CLINICAL REPORT

  • Park, Eun-Jin
    • The Journal of Korean Academy of Prosthodontics
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    • v.46 no.6
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    • pp.634-638
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    • 2008
  • PURPOSE: The application of computer-aided technology to implant dentistry has created new opportunities for treatment planning, surgery and prosthodontic treatment, but the correct selection and combination of available methods may be challenging in times. Hence, the purpose of this case report is to present a combination of several computer-aided tools as approaches to manage complicated implant case. MATERIAL AND METHODS: A 47 year-old female patient with severe dental anxiety, high expectations, financial restrictions and poor compliance presented for a fixed rehabilitation. A CT scan with a radiographic template obtained with software (SimPlant, Materialize, Leuven, Belgium) was used for treatment planning. The surgical plan was created and converted into a stereolithographic model of the maxilla with bone-supported surgical templates (SurgiGuide, Materialise, Leuven, Belgium), that allowed for the precise placement of 7 implants in a severely resorbed edentulous maxilla. After successful osseointegration, an accurate scan model served as the basis for the fabrication of a one-piece milled titanium framework using the Procera (Nobel Biocare, Gothenburg, Sweden) technology. The final rehabilitation of the edentulous maxilla was rendered in the form of a screw-retained maxillary metal-reinforced resin-based complete prosthesis. RESULTS: Despite challenging circumstances, 7 implants could be placed without bone augmentation in a severely resorbed maxilla using the SimPlant software for pre-implant analysis and the SurgiGuide-system as the surgical template. The patient was successfully restored with a fixed full arch restoration, utilizing the Procera system for the fabrication of a milled titanium framework.

Development of a Community-Based Approach to Opisthorchiasis Control

  • Duangsong, Rujira;Promthet, Supannee;Thaewnongiew, Kesorn
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.11
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    • pp.7039-7043
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    • 2013
  • A liver fluke, Opisthorchis viverrrini (OV), is the major cause of the high incidence of cholangiocarcinoma in North-eastern Thailand. The prevalence of OV infection remains high in various parts of the country, especially in wetland rural areas where a large proportion of the community work in agriculture and continue the traditional practice of eating raw or uncooked cyprinoid fish products. The national control program seems to have had little impact in many of these areas, and it has been difficult to make precise assessments of the overall effectiveness of the program. Therefore there is a need for a community-based approach to prevent infection with the parasite, ideally involving as many players as possible. Here we document an attempt to assess the best means to prevention on the basis of a community intervention in three villages in north-east Thailand, with participation of representatives of Health Promotion Hospitals of the Ministry of Public Health with dedicated staff, but also school teachers, independent government sponsored village health volunteers, and housewives responsible for cooking and diet selection. An action plan was followed, allowing detailed discussions of practical proposals, their introduction and then repeated reflection and further proposals at the individual village level.

A Prediction of Nutrition Water for Strawberry Production using Linear Regression

  • Venkatesan, Saravanakumar;Sathishkumar, VE;Park, Jangwoo;Shin, Changsun;Cho, Yongyun
    • International journal of advanced smart convergence
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    • v.9 no.1
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    • pp.132-140
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    • 2020
  • It is very important to use appropriate nutrition water for crop growth in hydroponic farming facilities. However, in many cases, the supply of nutrition water is not designed with a precise plan, but is performed in a conventional manner. We proposes a forecasting technique for nutrition water requirements based on a data analysis for optimal strawberry production. To do this, the proposed forecasting technique uses linear regression for correlating strawberry production, soil condition, and environmental parameters with nutrition water demand for the actual two-stage strawberry production soil. Also, it includes predicting the optimal amount of nutrition water requires according to the heterogeneous cultivation environment and variety by comparing the amount of nutrition water needed for the growth and production of different kinds of strawberries. We suggested study uses two types of section beds that are compared to find out the best section bed production of strawberry growth. The dataset includes 233 samples collected from a real strawberry greenhouse, and the four predicted variables consist of the total amounts of nutrition water, average temperature, humidity, and CO2 in the greenhouse.

A Case Study on Rural Landscape Management based on the Resident Participation in Osaka Prefecture, Japan (지역 주민 주체의 농촌지역 경관관리 사례 연구 - 일본 오사카부를 중심으로 -)

  • Park, Jin-Wook;Lee, Yoo-Jick
    • Journal of Korean Society of Rural Planning
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    • v.23 no.1
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    • pp.165-174
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    • 2017
  • Four requirements for the operating and supporting system for sustainable landscape management will be discussed through this paper. The requirements are based on multiple case studies on the structure and the process of development of three organizations that have been contributing to the sustainable rural landscape management in Japan since 1989. The first requirement is that the residents should recognize regional problems and voluntarily organize a group which can properly deal with the problems. Secondly, members of the organization should have a solid grasp of the goal of their activities (or founding principal of the organization) and share it among themselves. Founding principal should include the history of natural circulation system in the area, cultural features and a future plan in association with human resources. Thirdly, the administration of the organization should be separated from the founder, the residents. The administration, such as business promotion, becomes more effective when consigned to a separate entity, not to the residents. Lastly, the interaction among separate entities is crucial to promote diverse activities for the local landscape management. The administrators and experts need to cooperate to draw a precise conclusion regarding the way of interaction. These requirements drawn from the Japanese case studies should be localized to the Korean circumstances for further adoption.

REPORT OF THE MANAGEMENT OF GUNSHOT WOUNDS TO THE LEFT FACE (산탄총에 의한 좌측 안면부 손상 환자의 치험례 (증례보고))

  • Kim, Il-Kyu;Lee, Sang-Sun;Oh, Sung-Sup;Choi, Jin-Ho;Kim, Hyung-Don;Oh, Nam-Sik
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.26 no.2
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    • pp.224-227
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    • 2000
  • Gunshot wounds to the face are often dramatic at the time of presentation. Although care must be individualized, protocol approach helps the clinician rapidly evaluate patient and plan treatment. Early X-ray films help to determine the precise trajectory. Rapid neurologic assessment and early CT scanning based on physical examination ot trajectory will allow for identification of even occult injuries early. Lead poisoning arising from bullet lead in the synovial cavity of the hip, synovial cavity of the chest and pleural space have been reported. A combination of surgical debridement and chelation therapy with oral succimer produce a satisfactory outcome. We have managed a patient with Lt facial gunshot wound and Lt mandible angle fracture by open reduction of angle fracture and surgical removal of remnant bullet and medially advanced cheek skin flap. We have obtained good result and report this case with review of literatures.

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ANALYSIS ON THE COMPOSITION EFFECT OF FOREST FOR DAMAGE PREVENTION USING CFD (전산유체공학 기법을 활용한 해안 방재림 조성 효과 분석)

  • Park, T.W.;Chang, S.M.;Kim, S.Y.;Lee, Y.J.;Yoon, H.J.
    • Journal of computational fluids engineering
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    • v.18 no.1
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    • pp.69-76
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    • 2013
  • To reduce the damage from the coastal disaster such as typhoon and tsunami, a possible option is the eco-friendly approach to minimize the destruction of ecological system. One of feasible idea is the forest for damage prevention artificially arranged along the beach. To understand a precise physics on the flow before and after the forest, we use a CFD method. In this paper, a three-dimensional numerical model has been constructed based on tree cases in a real forest located at Byin-myeon, Seocheon-gun, Chungnam. The CFD computation using a commercial code COMSOL multiphysics is performed for the distribution of real spatial coordinate of each tree. Through this investigation, the CFD techniques are shown to be applied to the research of forest composition plan. The physics in the regime from laminar to turbulent flow is qualitatively explained, and the obtained data are compared one another quantitatively.

Improvement method of process management on new han-ok style public building project (신한옥형 공공건축물 실증구축사업의 작업진도 분석 및 공정개선 방안 - 신한옥형 공공건축물 실증구축 현장 3개를 중심으로 -)

  • Seo, Jung-Seung;Kim, Young-Hoon;Kwak, Dong-Yeob
    • KIEAE Journal
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    • v.17 no.3
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    • pp.133-140
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    • 2017
  • Purpose: The construction of New Han-ok style public buildings is a construction that can not be seen in traditional Han-ok, and it is a construction that combines traditional wooden structure, RC structure, and steel structure. Therefore, construction different from general construction is complicated and complex. It is necessary to accurately understand the construction method of each field rather than the general construction management method and study the method suitable for New Han-ok style public buildings. Also, since the New Han-ok style public building business is the first business to be introduced in Korea, new process management is needed rather than general process management. Method: The research method is as follows. Analyze process management through theoretical considerations and analyze the differences from general construction projects. Next, we want to identify the characteristics and problems of the process control method applied to real cases. Finally, the results of this analysis suggest ways to improve process management. Result: Therefore, it is necessary to establish a precise plan from the basic design to the construction of the public building construction management. In addition, careful planning should be made so that the supply and demand of materials and the supply and demand of personnel can be achieved smoothly.

A Study on the Introduction of Home-Based Physical Therapy for Patients with Cerebrovascular Disease

  • Kim, Gyu-Yong;Ahn, Chang-Sik;Jeon, Hye-Won
    • The Journal of Korean Physical Therapy
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    • v.27 no.2
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    • pp.118-123
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    • 2015
  • Purpose: This study was conducted in order to present basic policy data for introduction of a home-based physical therapy (HBPT) policy. Methods: The study surveyed physical therapists and patients for six weeks, in order to identify satisfaction with physical therapy. The statistical significance of the management plan with regard to costs and cost estimation and payment methods was determined and managed according to the operating principals of HBPT, eligibility criteria, number of visits, treatment time, and team approach. Results: Through the survey all groups of patients and physical therapists recognized the need for HBPT. They felt that the most desirable methods for activation of physical therapy visits involve precise diagnosis and evaluation through a team approach. While making regular visits to the patient three times a week, an expert visiting physical therapist with 3 to 5 years of experience in the clinical field could provide central nerve developmental treatment in less than 60 minutes; this service could be provided at a reasonable cost, minimizing unnecessary hospital visits, reducing time, medical expenses and facilitating a quick recovery due to psychological satisfaction resulting from a decrease in the psychological anxiety patients often experience in medical institutions. Conclusion: Based on the study results provided above, if HBPT is to be introduced, appropriate pricing and programs should be based on the results of pilot projects.

A Systems Approach to Immune Response for Cancer Treatment (암 치료를 위한 면역반응의 체계적인 연구)

  • ;Ronald R.Mohier
    • Journal of Biomedical Engineering Research
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    • v.13 no.3
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    • pp.181-188
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    • 1992
  • This paper provides an overview of system analysis of immunology. The theoretical research in this area is aimed at an understanding of the precise manner by which the immune system controls Infec pious diseases, cancer, and AIDS. This can provide a systematic plan for immunological experimentation by means of an integrated program of immune system analysis, mathematical modeling and computer simulation. Biochemical reactions and cellular fission are naturally modeled as nonlinear dynamical processes to synthesize the human immune system! as well as the complete organism it is intended to protect. A foundation for the control of tumors is presented, based upon the formulation of a realistic, knowledge based mathematical model of the interaction between tumor cells and the immune system. Ordinary bilinear differential equations which are coupled by such nonlinear term as saturation are derived from the basic physical phenomena of cellular and molecular conservation. The parametric control variables relevant to the latest experimental data are also considered. The model consists of 12 states, each composed of first-order, nonlinear differential equations based on cellular kinetics and each of which can be modeled bilinearly. Finally, tumor control as an application of immunotherapy is analyzed from the basis established.

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Suggestions for a better HACCP system assessment in livestock product processing plants (축산물가공장 HACCP system 평가방법 개선방안)

  • Hong, Chong-Hae;Lee, Sung-Mo
    • Korean Journal of Veterinary Service
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    • v.34 no.4
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    • pp.441-448
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    • 2011
  • According to the Korean government policy of expanding HACCP system application to food chain from farm to meat market, the importance of HACCP assessment to keep balance among the certified HACCP plants is urged. The objective of this study is to recommend more effective HACCP assessment methods. We reviewed major foreign countries HACCP implementation policy focused on the audit system, and compared with the Korean HACCP assessment system. We found that the checklist guidelines of prerequisite program were not enough for precise evaluation and many of the items were not directly related to the risk occurrences. And current rating grade for each items and judgments were inadequate to induce non-compliances and corrections for better HACCP implementation. We suggest revision points as follows; (1) checklists should be revised and reorganized according to the possibility of risk occurrences, (2) all the items should be supported by detailed guidelines for more objective inspection, (3) non-compliances identified must be reconfirmed after correction, (4) the items for HACCP plan should be divided into an accreditation inspection and a regular inspection, (5) rating grade 'high', 'medium', 'low', 'failure' was better for indicating non-compliances.