• Journal of Korean Dental Hygiene Science
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• v.6 no.2
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• pp.65-77
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• 2023

Background: The shortage of dental hygienists as assistant is a great concern to dental clinics, while dental hygienists are rather pursuing the role of oral hygiene control and preventive treatments which is the main role for dental hygienists in the United States. The dental hygienist and dental assistant system in the United States can be a reference in these discussions. Methods: Educational requirements for licensure and work areas for dental hygienists and dental assistants were investigated through the information provided by the American Dental Association (ADA), American Dental Hygienists Association, National Board Dental Hygiene Examination (NBDHE), Dental Assistants Association of America (ADAA), and Dental Assistants National Board (DANB). Results: In the United States, each state has different systems, but in general, dental hygienists obtain licenses after completing 2~3 years of associate degree programs in dental hygiene after obtaining basic learning skills, and mainly perform tasks related to patient screening procedures, oral hygiene management and preventive care. Dental assistants can take the license test after completing a training course of 9~11 months to obtain a dental assistant certification. Additional expanded work typically requires passing state qualification tests, completing a training program, obtaining a degree, or gaining clinical experience for a certain period of time, depending on the state Conclusion: The scope of work of dental hygienists designated by the Medical Engineer Act and the Enforcement Decree in Korea includes both the work of dental hygienists and dental assistants in the United States, and if a dental assistant system like the United States is introduced to address the current shortage of dental assistants, institutional supplementation such as adjustment of the scope of work and expansion of the role of dental hygienists in oral hygiene management and prevention work is needed and in-depth discussion is necessary.

• Journal of Korean Neurosurgical Society
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• v.39 no.1
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• pp.75-77
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• 2006

The authors experience a rare case of the cervical radiculomyelopathy due to calcification of ligamentum flavum at the level of C4-6 and report it with review of the literature. A 60-year-old woman was admitted, complaining progressive quariparesis, gait disturbance and neck pain. She had been treated with diabetes mellitus and hypertension for several years. On radiologic study, calcification of ligamentum flavum[CLF] at the C4-6 level was demonstrated on cervical spine CT and MR scan. Decompressive laminectomy of the C 4-6 and removal of CLF were performed. During operation, thecal sac was severely compressed by hypertrophic ligamentum flavum and there were tight adhesion between calcified ligamentum flavum and dura. After the operation, her motor function and neck pain improved and she could walk with an assistant.

• Journal of Korean Society of Rural Planning
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• v.18 no.4
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• pp.103-115
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• 2012

There are many attempts to develop rural areas by the use of local resources. Local industrialization is a well-known means to found industrialization by the local people using specialized local resources. However, there are many difficulties local people face in the industrialization of these local resources. This is mainly due to local people's lack of experience and knowledge in the development of these resources and the foundation of industrialization in these rural areas require further assistant. This thesis intends to examine the local conditions in order to represent the possibilities and limitations of the industrialization in the use of local resources, Gokseong cotton. We will further suggest various methods & means of these applications and illustrate the efficient approach to development scheme.

• Journal of the Korean Institute of Intelligent Systems
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• v.5 no.3
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• pp.52-63
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• 1995

A neuro-fuzzy algorithm is presented for nuclear reactor power control in a pressurized water reactor. Automatic reacotr power control is complicated by the use of control rods because of highly nonlinear dynamics in the axial power shape. Thus, manual shaped controls are usually employed even for the limited capability during the power maneuvers. In an attempt to achieve automatic shape control, a neuro-fuzzy approach is considered because fuzzy algorithms are good at various aspects of operator's knowledge representation while neural networks are efficinet structures capable of learning from experience and adaptation to a changing nuclear core state. In the proposed neuro-fuzzy control scheme, the rule base is formulated based ona multi-input multi-output system and the dynamic back-propagation is used for learning. The neuro-fuzzy powere control algorithm has been tested using simulation fesponses of a Korean standard pressurized water reactor. The results illustrate that the proposed control algorithm would be a parctical strategy for automatic nuclear reactor power control.

• Journal of Mechanical Science and Technology
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• v.15 no.9
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• pp.1268-1273
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• 2001

To successfully establish the ELID-grinding, it is important to properly select the electrolytic condition according to grinding conditions. Currently, the selection of electrolytic condition is mainly dependent on the operators experience, which is one of difficulties preventing the successful application of ELID technique. In this study, an in-process measurement system of the insulating layer using two gap sensors-a capacitance type and an eddy current type-are developed and the change of the thickness of insulating layer during ELID grinding is detected. Evaluation experiments show the possibility to control the electrolytic condition through the in-process measurement of the layer status.

• Journal of Information Technology Applications and Management
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• v.16 no.3
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• pp.1-15
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• 2009

The paper analyzes a copyright owning firm's incentive to enforce its copyright in the presence of file-sharing networks. I devise a two-period model where a copyright owner sells two different versions of a creator's information good, and show that the firm's overall profits are enhanced by a strategy of differential inter-temporal enforcement of the copyright protection, compared to strategies of no enforcement or full enforcement in both periods. If the firm enforces no copyright protection in the first period, the low-valuation consumers may make and consume copies that are imperfect substitutes for the original information good. If there is a significant increase in the willingness-to-pay of some low-valuation consumers after they experience the information good, the firm can extract the increased consumer surplus by enforcing a positive level of copyright protection in the second period. Social welfare, however, is maximized in the case of no enforcement.

• Archives of Plastic Surgery
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• v.48 no.3
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• pp.305-309
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• 2021

Microsurgical procedures are time-consuming and sometimes fatigue-inducing. However, a skilled assistant and scrub nurse can help surgery be performed more smoothly and rapidly. Three microsurgical simulation courses were held for perioperative nurses at our institution. Each course consisted of two lectures and two practice microsurgical sessions, and was evaluated with a post-course survey. The respondents all felt that their knowledge of microsurgical instruments, sutures, microscope set-up, and microsurgical skills had improved following the course. Many felt that their ability to predict what the surgeon would request during a microsurgical case improved, and that they were able to handle instruments and sutures better. The nurses also reported improved confidence in assisting with microsurgical procedures and tolerance of the long operative time in some microsurgical cases. Based on our experience, a basic microsurgery course for nurses can play a significant role in training effective and competent microsurgical scrub nurses.

• Journal of Korea Multimedia Society
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• v.23 no.12
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• pp.1576-1585
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• 2020

The purpose of this study is to design and apply YouTube ecosystem using digital curation to improve the interaction of untact class. The untact digital instructional model for building the YouTube ecosystem is composed of four modules: domain, tutor, student, and interface, and the role of each module is described. As an application example, the team project "Development and Operation of Instructional Assistant YouTube" is performed in the Introduction to Media Software class. The learning experience is described in terms of professor, peer tutors, and learners, and learning outcomes are presented through surveys.

• Journal of The Korean Society of Emergency Medicine
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• v.29 no.6
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• pp.585-594
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• 2018

Objective: This study was designed to report on the progress of the fire at Jecheon sports complex and to assess the adequacy of Disaster Medical Assistant Team (DMAT)'s activities in response to the fire disaster. Methods: We conducted a retrospective review based on camera recordings and medical records that were recorded at the disaster site for assessment of activities. We cooperated with firefighters, police officers, local hospital medical staffs and public health personnel in Jecheon in order to classify patients in the disaster field and to understand the patients' progress. Results: At 15:53, the first request for emergency rescue came to the 119 general emergency call center, and a request for DMAT activation came at 16:28. DMAT arrived at the site at 17:04 and remained active until the following day at 00:43. The total number of casualties was 60, including 27 minimal (Green) patients, 29 expectant (Black) patients, three delayed (Yellow) patients, and one immediate (Red) patient. There were 32 patients who received on-site care by DMAT. Two patients were transferred from a local hospital to Wonju Severance Christian Hospital for hyperbaric oxygen therapy. Conclusion: Twenty-nine victims were found in the sports complex building, and there were 31 mildly to moderately injured patients in this fire disaster. The main cause of death was thought to be smoke suffocation. Although DMAT was activated relatively quickly, it was not able to provide effective activity due to the late rescue and difficulty with fire suppression.

• Journal of dental hygiene science
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• v.5 no.4
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• pp.155-163
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• 2005

The purpose of this exploratory study was to assess work performance of dental hygienists and identify factors influencing their work performance. A questionnaire was administered to 87 dental hygienists working dental clinics based in Ulsan during the period from June 2005 through July 2005. A total of 77 questionnaires were collected and used for analysis. SPSS 11.5 program was employed for statistical analysis. All data were expressed in terms of numbers, percentage and mean score. The results of the study are summarized as follows: 1. There was a significantly positive correlation between age and the level of work performance in the Scientific competency group and Esthetical competency group. 2. Unmarried dental hygienists demonstrated better work performance than married dental hygienists in Scientific, Esthetical and Personal competency groups, showing a statistically significant difference. 3. By education level, those with junior college degree had better work performance than those who are attending or graduated from college in the four groups. By workplace, those who were working at non-general hospitals demonstrated a higher level of performance in the three groups except the Ethical group, but the difference was not statistically significant. 4. A significantly positive relationship was observed between monthly pay and work performance in the Scientific, Personal and Esthetical competency groups. 5. A positive relationship was observed between work experience and performance in the Scientific competency group. But there was no difference between work experience and performance in the other three groups. 6. By working environment, those who were working with assistant nurses showed a higher level of performance than those working without assistant nurses in the Scientific competency group, and the difference was statistically significant.